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🌐 Reserve & majors Reserve role

💴Japanese yen

Asia's deep funding currency — low rates, vast government-bond market, and a major reserve holding.

Also called: yen

JPY¥

17 min read

Reviewed 2026-08·Media credits

Japanese yen — monetary symbol
Heavy Frisker · CC BY-SA 4.0
At a glance
Score intensity

Darker cells mean a higher score for this topic on that metric.

Score profile

Each bar is a 0-100 atlas score for this topic, not a timeline.

787290708088
Key pairs

Bar height is the relative weight of each listed currency pair.

Reserve weight
Timeline

Milestones in order. This is history, not a weekly activity grid.

1871 Yen created1897 Gold standard1931 Gold exit1945 Occupation1949 360 yen peg1971 Smithsonian1985 Plaza Accord1990s Lost decade2013 QQE2022 Yield-curve stress
  1. Yen created
  2. Gold standard
  3. Gold exit
  4. Occupation
  5. 360 yen peg
  6. Smithsonian
  7. Plaza Accord
  8. Lost decade
  9. QQE
  10. Yield-curve stress
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18 min read

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Reserve currency

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JPY¥

Start with this section - Origins & Reform

JPY ¥

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Quick facts

JPYISO code
¥Symbol
Bank of JapanIssuer
1871Origin
reserveFamily
78Reserve score

Japanese yen is one of the units this atlas treats as a full monetary system — not only a ticker symbol. Its story runs from Tokyo in 1871 through note design, central-bank practice and the FX role it plays today.

Scores on this site compare Japanese yen with the other currencies in the atlas on reserve weight, global reach, stability, cash culture, design iconicity and policy autonomy. They are relative editorial judgements, not forecasts.

The seven chapters cover origins and reforms, the look of notes and coins, the issuer's mandate, where the money circulates, FX and reserves, crisis history, and how people pay with it now.

The profile

787290708088
  • Reserve weight78
  • Global reach72
  • Stability90
  • Cash culture70
  • Design icon80
  • Policy autonomy88

What the scores mean

78
Reserve weight
72
Global reach
90
Stability
70
Cash culture
80
Design icon
88
Policy autonomy

Seven chapters on this currency

Frequently asked questions

What is the Japanese yen?
Japanese yen (JPY) is issued or defined under Bank of Japan. Asia's deep funding currency — low rates, vast government-bond market, and a major reserve holding.
Who issues Japanese yen?
Bank of Japan sets monetary policy and oversees the unit; physical production involves Japan Mint.
Is this a live exchange rate?
No. Tool-Lifes /money is a static educational atlas. It explains regimes, history and design without live tickers.
Why does Japanese yen matter globally?
Global importance comes from trade invoicing, reserve holdings, financial contracts and migrant remittances — measured here as relative scores, not prices.
What does the reserve-weight score mean?
It ranks how heavily central banks and global finance rely on this unit compared with others in the atlas — an editorial 0–100 score.
Where can I see banknotes?
The Design chapter covers major note and coin types; images come from Wikimedia Commons when a free licence is available.
How do crises appear here?
The Crises chapter summarises documented stress episodes — devaluations, peg breaks, inflation spikes — with lessons, not trading signals.
What about CBDC?
The Today chapter notes digital-payment rails and CBDC pilots where relevant. Most everyday balances remain cash and bank deposits.

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