International use of the U.S. dollar

The primary currency used for trade around the world, between Europe, Asia and the Americas had historically been the Spanish-American silver dollar, which created a global silver standard system from the 16th to 19th centuries, due to abundant silver supplies in Spanish America.{{Cite web|url=https://nationalinterest.org/feature/the-silver-way-explains-how-the-old-mexican-dollar-changed-20410|title='The Silver Way' Explains How the Old Mexican Dollar Changed the World|first=Salvatore|last=Babones|date=April 30, 2017|website=The National Interest}}

The U.S. dollar itself was derived from this coin. The Spanish dollar was later displaced by sterling in the advent of the international gold standard in the last quarter of the 19th century.

The U.S. dollar began to displace sterling as international reserve currency from the 1920s since it emerged from the First World War relatively unscathed and since the United States was a significant recipient of wartime gold inflows.

{{Cite journal|last1=Eichengreen|first1=Barry|last2=Flandreau|first2=Marc|date=2009|title=The rise and fall of the dollar (or when did the dollar replace sterling as the leading reserve currency?)|url=https://www.cambridge.org/core/journals/european-review-of-economic-history/article/abs/rise-and-fall-of-the-dollar-or-when-did-the-dollar-replace-sterling-as-the-leading-reserve-currency/9C78B88EBC0099E26A105DEC90CBE103|journal=European Review of Economic History|language=en|volume=13|issue=3|pages=377–411|doi=10.1017/S1361491609990153|s2cid=154773110|issn=1474-0044|url-access=subscription}}

After the US emerged as an even stronger global superpower during the Second World War, the Bretton Woods Agreement of 1944 established the post-war international monetary system, with the U.S. dollar ascending to become the world's primary reserve currency for international trade, and the only post-war currency linked to gold at $35 per troy ounce.{{Cite web|url=https://www.thebalance.com/bretton-woods-system-and-1944-agreement-3306133|title=How a 1944 Agreement Created a New World Order|website=The Balance|first1=Kimberly|last1=Amadeo|date=September 3, 2020}}

Despite all links to gold being severed in 1971, the dollar continues to play this role to this day.

File:Obverse_of_the_series_2009_$100_Federal_Reserve_Note.jpg, the world's most recognizable reserve currency in physical form]]

{{main|Reserve currency}}

The U.S. dollar is joined by the world's other major currencies – the euro, sterling, Japanese yen and Chinese renminbi – in the currency basket of the Special drawing rights of the International Monetary Fund. Central banks worldwide have huge reserves of U.S. dollars in their holdings, and are significant buyers of US treasury bills and notes.{{Cite web|url=https://www.statista.com/statistics/246420/major-foreign-holders-of-us-treasury-debt/|title=Major foreign holders of U.S. treasury securities 2021|website=Statista}}

Foreign companies, entities and private individuals hold U.S. dollars in foreign deposit accounts called eurodollars (not to be confused with the euro), which are outside the jurisdiction of the Federal Reserve System. Private individuals also hold dollars outside the banking system mostly in the form of US$100 notes, of which 75% of its supply are held overseas.

The United States Department of the Treasury exercises considerable oversight over the SWIFT financial transfers network,{{Cite web|url=https://www.swift.com/about-us/organisation-governance/swift-oversight|title=SWIFT oversight|website=SWIFT - The global provider of secure financial messaging services}}

and consequently has a huge sway on the global financial transactions systems, with the ability to impose sanctions on foreign entities and individuals.{{Cite web|url=https://home.treasury.gov/policy-issues/financial-sanctions/sanctions-programs-and-country-information|title=Sanctions Programs and Country Information|website=U.S. Department of the Treasury}} Some countries have considered dollar alternatives to avoid sanctions.{{Cite web |last=Abdelhady |first=Hdeel |date=11 June 2015 |title=A Great BRIC Wall? Emerging Trade and Finance Channels Could Curtail the Reach of U.S. Law |url=https://masspointpllc.com/challenges-to-dollar-jurisdiction/ |access-date=29 September 2024 |website=masspointpllc.com}}

Economist Paul Samuelson and others (including, at his death, Milton Friedman) have maintained that the overseas demand for dollars allows the United States to maintain persistent trade deficits without causing the value of the currency to depreciate or the flow of trade to readjust. But Samuelson stated in 2005 that at some uncertain future period these pressures would precipitate a run against the U.S. dollar with serious global financial consequences.{{cite web|url=http://english.people.com.cn/200512/26/eng20051226_230852.html |title=China, U.S. should adjust approach to economic growth |publisher=English.people.com.cn |date=2005-12-26 |accessdate=2010-08-24}}

In August 2007, two scholars affiliated with the government of the People's Republic of China threatened to sell its substantial reserves in American dollars in response to American legislative discussion of trade sanctions designed to revalue the Chinese yuan.{{cite news | url=https://www.telegraph.co.uk/money/main.jhtml?xml=/money/2007/08/07/bcnchina107a.xml | archive-url=https://web.archive.org/web/20070809140115/http://www.telegraph.co.uk/money/main.jhtml?xml=/money/2007/08/07/bcnchina107a.xml | url-status=dead | archive-date=2007-08-09 | title=China threatens 'nuclear option' of dollar sales. | accessdate=September 26, 2007 | work=The Daily Telegraph | location=London | first=Ambrose | last=Evans-Pritchard | date=2007-08-08}} The Chinese government denied that selling dollar-denominated assets would be an official policy in the foreseeable future. India and Russia have also announced moves to diversify reserves away from the U.S. dollar.{{cite news |url=https://www.reuters.com/article/ousiv/idUSPEK4365020080917 | ref=worldwide |title=China paper urges new currency order after "financial tsunami" |accessdate=2009-09-18 | author=Chris Buckley | work=Reuters | date=2008-09-17}}

After the euro's share of global official foreign exchange reserves approached 25% as of year-end 2006 (vs 65% for the U.S. dollar; see table in Reserve currency#Global currency reserves), former Federal Reserve Chairman Alan Greenspan said in September 2007 that it is "absolutely conceivable that the euro will replace the dollar as reserve currency, or will be traded as an equally important reserve currency".{{cite news | title=Reuters | work=Euro could replace dollar as top currency - Greenspan | url=https://www.reuters.com/article/bondsNews/idUSL1771147920070917 | accessdate=September 17, 2007 | date=2007-09-17}}

As of 2021, however, none of this has come to fruition due to the European debt crisis which engulfed the PIIGS countries from 2009-2014. Instead the euro's stability and future existence was put into doubt, which reduced its share of global reserves to 19% as of year-end 2015 (vs 66% for USD). As of year-end 2020 these figures stand at 21% for EUR and 59% for USD.

{{Reserve currencies plot}}

The U.S. dollar is predominantly the standard currency unit in which goods are quoted and traded, and with which payments are settled in, in the global commodity markets. See petrocurrency, petrodollar.

The United States Government is capable of borrowing trillions of dollars from the global capital markets in U.S. dollars issued by the Federal Reserve, which is itself under US government purview, at minimal interest rates and with virtually zero default risk. In contrast, foreign governments and corporations incapable of raising money in their own local currencies are forced to issue debt denominated in U.S. dollars, along with its consequent higher interest rates and risks of default.{{Cite web|url=https://www.investopedia.com/terms/d/dollarbond.asp|title=Dollar Bond|website=Investopedia|first1=James|last1=Chen|date=May 17, 2021}}

The United States's ability to borrow in its own currency without facing significant balance of payments crisis has been frequently described as its exorbitant privilege.{{Cite web|url=https://www.brookings.edu/blog/ben-bernanke/2016/01/07/the-dollars-international-role-an-exorbitant-privilege-2/|title = The dollar's international role: An "exorbitant privilege"?|date = 30 November 2001}}

{{Main|U.S. Dollar Index}}

The U.S. dollar Index (ticker: USDX) is the creation of the New York Board of Trade (NYBOT), renamed in September 2007 to ICE Futures US. It was established in 1973 for tracking the value of the USD against a basket of currencies, which, at that time, represented the largest trading partners of the United States. It began with 17 currencies from 17 nations, but the launch of the euro subsumed 12 of these into one, so the USDX tracks only six currencies today.

The Index is described by the ICE as "a geometrically-averaged calculation of six currencies weighted against the U.S. dollar." The baseline of 100.00 on the USDX was set at its launch in March 1973. This event marks the watershed between the wider margins arrangement of the Smithsonian regime and the period of generalized floating that led up to the Second Amendment of the Articles of Agreement of the International Monetary Fund. Since 1973, the USDX has climbed as high as the 160s and drifted as low as the 70s.

The USDX has not been updated to reflect new trading realities in the global economy, where the bulk of trade has shifted strongly towards new partners like China and Mexico and oil-exporting countries while the United States has de-industrialized.

{{main|Dollarization|Dedollarization}}

Other nations besides the United States use the U.S. dollar as their official currency, a process known as official dollarization. For instance, Panama has been using the dollar alongside the Panamanian balboa as the legal tender since 1904 at a conversion rate of 1:1. Ecuador (2000), El Salvador (2001), and East Timor (2000) all adopted the currency independently. The former members of the U.S.-administered Trust Territory of the Pacific Islands, which included Palau, the Federated States of Micronesia, and the Marshall Islands, chose not to issue their own currency after becoming independent, having all used the U.S. dollar since 1944. Two British dependencies also use the U.S. dollar: the British Virgin Islands (1959) and Turks and Caicos Islands (1973). The islands Bonaire, Sint Eustatius and Saba, now collectively known as the Caribbean Netherlands, adopted the dollar on January 1, 2011, as a result of the dissolution of the Netherlands Antilles.{{cite web|url=http://www.sxmislandtime.com/index.php?option=com_content&view=article&id=10606|title=Introduction of the US dollar on Bonaire, St Eustatius and Saba|publisher=sxmislandtime.com|date=26 May 2010|accessdate=2010-10-22}}{{cite web|url=http://www.rnw.nl/english/bulletin/us-dollar-introduced-dutch-caribbean-islands|title=US dollar introduced in Dutch Caribbean islands|publisher=Radio Netherlands Worldwide|date=1 Jan 2011|accessdate=2011-01-02|archive-date=2016-02-02|archive-url=https://web.archive.org/web/20160202023037/http://www.rnw.nl/english/bulletin/us-dollar-introduced-dutch-caribbean-islands|url-status=dead}}

The U.S. dollar is an official currency in Zimbabwe, along with the euro, sterling, the pula, the rand, and several other currencies. A series of Zimbabwean Bond Coins was put into circulation on 18 December 2014 in 1, 5, 10, and 25 cent denominations, and afterwards 50 cent and 1 dollar bonds coins, which are pegged at the same rate as American coins.

Some countries that have adopted the U.S. dollar issue their own coins: See Ecuadorian centavo coins, Panamanian Balboa and East Timorese centavo coins.

Some other countries link their currency to U.S. dollar at a fixed exchange rate. The local currencies of Bermuda and the Bahamas can be freely exchanged at a 1:1 ratio for USD. Argentina used a fixed 1:1 exchange rate between the Argentine peso and the U.S. dollar from 1991 until 2002. The currencies of Barbados and Belize are similarly convertible at an approximate 2:1 ratio. The Netherlands Antillean guilder (and its successor the Caribbean guilder) and the Aruban florin are pegged to the dollar at a fixed rate of 1:1.79. The East Caribbean dollar is pegged to the dollar at a fixed rate of 2.7:1, and is used by all of the countries and territories of the OECS other than the British Virgin Islands. In Lebanon, one dollar is equal to 15000 Lebanese pounds, and is used interchangeably with local currency as de facto legal tender.{{cite news |title=Lebanon devalues official exchange rate by 90% |work=Reuters |date=February 1, 2023 |access-date=February 3, 2023 |url=https://www.reuters.com/markets/currencies/lebanon-sharply-devalues-official-exchange-rate-central-bank-says-2023-02-01/}} The exchange rate between the Hong Kong dollar and the United States dollar has also been linked since 1983 at HK$7.8/USD, and pataca of Macau, pegged to Hong Kong dollar at MOP1.03/HKD, indirectly linked to the U.S. dollar at roughly MOP 8/USD. Several oil-producing Arab countries on the Persian Gulf, including Saudi Arabia, peg their currencies to the dollar, since the dollar is the currency used in the international oil trade.

The People's Republic of China's renminbi was informally and controversially pegged to the dollar in the mid-1990s at ¥ 8.28/USD. Likewise, Malaysia pegged its ringgit at RM3.8/USD in September 1998, after the 1997 Asian financial crisis. On July 21, 2005, both countries removed their pegs and adopted managed floats against a basket of currencies. Kuwait did likewise on May 20, 2007.{{cite news|title=Kuwait pegs dinar to basket of currencies |url=https://www.forbes.com/markets/feeds/afx/2007/05/20/afx3739653.html |work=Forbes |date=2007-05-20 |accessdate=2007-06-06 |url-status=dead |archive-url=https://web.archive.org/web/20071110003139/http://www.forbes.com/markets/feeds/afx/2007/05/20/afx3739653.html |archive-date=November 10, 2007 }} However, after three years of slow appreciation, the Chinese yuan has been de facto re-pegged to the dollar since July 2008 at a value of ¥6.83/USD; although no official announcement had been made, the yuan has remained around that value within a narrow band since then, similar to the Hong Kong dollar.

Several countries use a crawling peg model, wherein currency is devalued at a fixed rate relative to the dollar. For example, the Nicaraguan córdoba is devalued by 5% per annum.{{cite news |title=Nicaragua seeks to de-dollarize economy |first=Tim |last=Rogers |date=May 13, 2014 |work=The Nicaragua Dispatch |url=http://nicaraguadispatch.com/2014/05/nicaragua-seeks-to-de-dollarize-economy/}}

Belarus, on the other hand, pegged its currency, the Belarusian rubel, to a basket of foreign currencies (U.S. dollar, euro and Russian rouble) in 2009.{{cite web | title = New exchange rate will make Belarusian exports competitive, NBRB vows | url = http://gtk.gov.by/en/news?id=1587 | publisher = State Customs Committee of the Republic of Belarus | date = 2009-01-06 | accessdate = 2009-01-24 | archive-url = https://web.archive.org/web/20120323122424/http://gtk.gov.by/en/news?id=1587 | archive-date = 2012-03-23 | url-status = dead }} In 2011 this led to a currency crisis when the government became unable to honor its promise to convert Belarusian rubels to foreign currencies at a fixed exchange rate. BYR exchange rates dropped by two thirds, all import prices rose and living standards fell.{{cite news| url=https://www.bbc.co.uk/news/business-14919823 | work=BBC News | title=Belarusian rouble falls sharply in value | date=2011-09-14}}

In some countries, such as Costa Rica and Honduras, the U.S. dollar is commonly accepted, although not officially regarded as legal tender. In Mexico's northern border area and major tourist zones, it is accepted as if it were a second legal currency. Many Canadian merchants close to the border, as well as large stores in big cities and major tourist hotspots in Peru also accept U.S. dollars, though usually at a value that favours the merchant. In Cambodia, US notes circulate freely and are preferred over the Cambodian riel for large purchases,{{cite web|author=Chinese University of Hong Kong|author-link=Chinese University of Hong Kong|url=http://intl.econ.cuhk.edu.hk/exchange_rate_regime/index.php?cid=13 |title=Historical Exchange Rate Regime of Asian Countries: Cambodia |accessdate=2007-02-21 |url-status=dead |archive-url=https://web.archive.org/web/20061208100605/http://intl.econ.cuhk.edu.hk/exchange_rate_regime/index.php?cid=13 |archive-date=2006-12-08 }}{{cite web|author=Kurt Schuler |url=http://users.erols.com/kurrency/asia.htm |title=Tables of Modern Monetary History: Asia |accessdate=2007-02-21 |quote=The U.S. dollar also circulates freely |archive-url=https://web.archive.org/web/20070219231722/http://users.erols.com/kurrency/asia.htm |archive-date=2007-02-19 |url-status=dead }} with the riel used for change to break 1 USD. After the U.S. invasion of Afghanistan, U.S. dollars were accepted as if legal tender, but in 2021 the Taliban government banned the use of foreign currencies.{{Cite news|url=https://www.bbc.co.uk/news/business-59129470|title = Taliban bans foreign currencies in Afghanistan|work = BBC News|date = 3 November 2021}}

File:EUR-USD v2.svg

Not long after the introduction of the euro (€; ISO 4217 code EUR) as a cash currency in 2002, the dollar began to depreciate steadily in value, as it did against other major currencies. From 2003 to 2005, this depreciation continued, reflecting a widening current account deficit. Although the current account deficit began to stabilize in 2006 and 2007, depreciation persisted. The fallout from the subprime mortgage crisis in 2008 prompted the Federal Reserve to lower interest rates in September 2007,{{cite web|url=http://www.ecb.int/stats/exchange/eurofxref/html/eurofxref-graph-usd.en.html |title=ECB: euro exchange rates USD |publisher=Ecb.int |accessdate=2010-08-24}}

and again in March 2008,{{cite news|url=https://www.bloomberg.com/apps/news?pid=newsarchive&refer=home&sid=af8Cqcf10WcY|title=Dollar Falls to Record Low Versus Euro as Fed Signals Rate Cuts|publisher=Bloomberg|date=2008-03-01}} sending the euro to a record high of $1.6038, reached in July 2008.

{{cite news|url=https://www.bloomberg.com/news/2010-05-31/euro-declines-on-concerns-spending-cuts-to-rein-in-debt-will-damp-recovery.html|title=Euro Weakens on Concerns Over Europe Spending Cuts|publisher=Bloomberg|date=2008-06-01|first1=Anchalee|last1=Worrachate|first2=Yasuhiko|last2=Seki}}

In addition to the trade deficit, the U.S. dollar's decline was linked to a variety of other factors, including a major spike in oil prices.{{cite news|url=https://www.bloomberg.com/apps/news?pid=newsarchive&sid=aMJRL55kYvJY|title=Oil Rises to Record on Weakening Dollar, Morgan Stanley Outlook|publisher=Bloomberg|date=2008-06-06}}

However, a sharp turnaround began in late 2008 due to the 2008 financial crisis. As investors sought out safe-haven investments in U.S. treasuries and Japanese government bonds from the financial turmoil, the Japanese yen and United States dollar sharply rose against other currencies, including the euro.{{cite news | url=https://blogs.wsj.com/marketbeat/2008/10/22/somehow-the-dollar-regains-safe-haven-status|title=Somehow, the Dollar Regains Safe-Haven Status | author=David Gaffen | accessdate=October 22, 2008 | work=The Wall Street Journal | date=2008-10-22}} The European sovereign debt crisis that unfolded in 2010 sent the euro falling to a four-year low of $1.1877 on June 7, as investors considered the risk that certain Eurozone members may default on their government debt.{{cite news|url=https://www.bloomberg.com/news/2010-06-09/euro-trades-near-four-year-low-before-ecb-meeting-kiwi-advances-on-rates.html|title=Euro Climbs Most Versus Dollar in Two Weeks on Outlook for Global Growth|publisher=Bloomberg|date=2008-06-10|first1=Ben|last1=Levisohn|first2=Anchalee|last2=Worrachate}} The euro's decline in 2008-2010 had erased half of its 2000-2008 rally.

The issuance of U.S dollar-denominated bond issued by Chinese institutions doubled to $214 billion in 2017 as tighter domestic regulations and market conditions saw Chinese companies look offshore to conduct their fund-raising initiatives. This has far outpaced many of the other major foreign currency bonds issued in Asia in the last few years.

The anticipated continuation of a prudent monetary policy in China to curb financial risks and asset bubbles, along with the expectation of a stronger yuan will likely see Chinese companies to continue to issue U.S. dollar bonds.{{cite news |url=http://www.chinadaily.com.cn/a/201801/03/WS5a4c1bb6a31008cf16da4bd1.html|title=Sales of bonds look set to rise this year|accessdate=2018-11-27 | author=Li Xiang|work=China Daily| date=2018-01-03}}

Major issuers of U.S. dollar denominated bonds have included Tencent Holdings Limited, Industrial and Commercial Bank of China Limited and Sinopec Group. In 2017, China's Ministry of Finance revealed plans to sell US$2 billion worth of U.S. dollar sovereign bonds in Hong Kong, its first dollar bond offering since October 2004.{{cite news |url=https://www.scmp.com/business/money/stock-talk/article/2114932/china-issue-first-dollar-bonds-2004-hong-kong|title=China to sell first dollar bond in 13 years in Hong Kong to set benchmark for Chinese issuers|accessdate=2018-11-27 | author=Karen Yeung | work=South China Morning Post | date=2017-10-11}} The technology and communications sector in China is taking a significant share of the offshore U.S. dollar bond market. Tencent priced $5 billion of notes in January 2018 as a string of Asian technology firms continued to issue debt as market values swelled.{{cite news |url=https://www.wsj.com/articles/tencent-joins-asia-tech-debt-rush-with-its-biggest-bond-sale-1515742849|title=Tencent Joins Asia-Tech Debt Rush With Its Biggest Bond Sale|accessdate=2018-11-27 | author=Manju Dalal| work=The Wall Street Journal | date=2018-01-12}}

U.S dollar-denominated bond issued by Chinese institutions has also been referred to as "Kungfu bonds",{{cite news |url=https://citywireasia.com/news/kung-fu-bonds-grab-investor-attention/a1106923 |title='Kung Fu' bonds grab investor attention|accessdate=2018-11-27 | author=Ishika Mookerjee | work=Citywire Asia | date=2018-04-04}} a name born out of a consultation with more than 400 market participants across Asia by Bloomberg L.P.{{cite news |url=https://www.businesstimes.com.sg/opinion/gongfu-bonds-become-bright-spot-with-asian-investors-as-chinese-us-bonds-take-off/|title='Gongfu bonds become bright spot with Asian investors as Chinese US$ bonds take off|accessdate=2018-11-27 | author=Ee Chuan Ng| work=The Business Times | date=2018-04-13}}{{cite news |url=https://www.bloomberg.com/professional/blog/baidu-tencent-sales-give-kungfu-bonds-hi-tech-kick-2018/|title='Baidu, Tencent sales give Kungfu bonds a hi-tech kick in 2018|accessdate=2018-11-27 | author=Vicky Wei, Andrew Cheung, Wenwen Zhang |work=Bloomberg Professional Services| date=2018-04-19}}

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