円 (通貨)
外貨準備

日本円は世界中の国で外貨準備として用いられており、2018年では第3位の通貨である。
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| 表 話  歴 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1995 | 1990 | 1985 | 1980 | 1975 | 1970 | 1965 |
| アメリカ・ドル | 60.75% | 61.74% | 62.72% | 65.36% | 65.73% | 65.14% | 61.24% | 61.47% | 62.59% | 62.14% | 62.05% | 63.77% | 63.87% | 65.04% | 66.51% | 65.51% | 65.45% | 66.50% | 71.51% | 71.13% | 58.96% | 47.14% | 56.66% | 57.88% | 84.61% | 84.85% | 72.93% |
| ユーロ （1999年以前はECU） | 20.59% | 20.67% | 20.16% | 19.13% | 19.14% | 21.20% | 24.20% | 24.05% | 24.40% | 25.71% | 27.66% | 26.21% | 26.14% | 24.99% | 23.89% | 24.68% | 25.03% | 23.65% | 19.18% | 18.29% | 8.53% | 11.64% | 14.00% | 17.46% |   |   |   |
| 日本円 | 5.87% | 5.20% | 4.89% | 3.95% | 3.75% | 3.54% | 3.82% | 4.09% | 3.61% | 3.66% | 2.90% | 3.47% | 3.18% | 3.46% | 3.96% | 4.28% | 4.42% | 4.94% | 5.04% | 6.06% | 6.77% | 9.40% | 8.69% | 3.93% | 0.61% |   |   |
| イギリスポンド | 4.64% | 4.42% | 4.54% | 4.34% | 4.71% | 3.70% | 3.98% | 4.04% | 3.83% | 3.94% | 4.25% | 4.22% | 4.82% | 4.52% | 3.75% | 3.49% | 2.86% | 2.92% | 2.70% | 2.75% | 2.11% | 2.39% | 2.03% | 2.40% | 3.42% | 11.36% | 25.76% |
| 中国人民元 | 1.86% |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| カナダドル | 1.94% | 1.84% | 2.02% | 1.94% | 1.77% | 1.75% | 1.83% | 1.42% |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| オーストラリア・ドル | 1.70% | 1.62% | 1.80% | 1.69% | 1.77% | 1.59% | 1.82% | 1.46% |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| スイス・フラン | 0.15% | 0.14% | 0.18% | 0.16% | 0.27% | 0.24% | 0.27% | 0.21% | 0.08% | 0.13% | 0.12% | 0.14% | 0.16% | 0.17% | 0.15% | 0.17% | 0.23% | 0.41% | 0.25% | 0.27% | 0.33% | 0.84% | 1.40% | 2.25% | 1.34% | 0.61% |   |
| オランダ・ギルダー |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 0.32% | 1.15% | 0.78% | 0.89% | 0.66% | 0.08% |   |
| ドイツマルク |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 15.75% | 19.83% | 13.74% | 12.92% | 6.62% | 1.94% | 0.17% |
| フランス・フラン |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 2.35% | 2.71% | 0.58% | 0.97% | 1.16% | 0.73% | 1.11% |

| その他 | 2.51% | 2.48% | 2.50% | 2.37% | 2.86% | 2.83% | 2.84% | 3.26% | 5.49% | 4.43% | 3.04% | 2.20% | 1.83% | 1.81% | 1.74% | 1.87% | 2.01% | 1.58% | 1.31% | 1.49% | 4.87% | 4.89% | 2.13% | 1.29% | 1.58% | 0.43% | 0.03% |
|   | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 | 出典：World Currency Composition of Official Foreign Exchange Reserves 国際通貨基金 |  |  |