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Japan

A constitutional monarchy and parliamentary democracy in East Asia, with one of the world's largest economies, an ageing population, the longest experience among advanced economies with low inflation and unconventional monetary policy, and a manufacturing base that remains globally competitive in machinery, vehicles, electronics, and chemicals.

AsiaJP
指標/国/Japan

On this page

  • Five structural pillars
  • Where to go in the data next

Japan

概要

Japan is a constitutional monarchy with a parliamentary democracy, organized under the 1947 Constitution, and one of the largest economies in the world. The Emperor is the symbol of the State; political power flows through the Diet, the Prime Minister, and the Cabinet. The Bank of Japan operates an independent monetary policy. The Ministry of Finance manages a uniquely large stock of public debt. The economy is manufacturing-deep, services-led in employment, and demographically constrained: the population peaked in 2010 and has declined since, which has shaped the country's distinctive macro mix of mild inflation, low policy rates, and a domestic-demand profile sensitive to wage growth.

Five structural pillars

Constitutional monarchy with parliamentary government. The 1947 Constitution defines the Emperor as the symbol of the State, places sovereignty with the people, and renounces war in Article 9. The Diet has supremacy in legislative matters; the Prime Minister leads the Cabinet and is responsible to the Diet S7.

Manufacturing-deep, services-employed economy. Manufacturing produces an unusually high share of value added for an advanced economy, with vehicles, machinery, electronics, chemicals, and materials as the leading sectors. Most employment is in services, including a large retail and personal-services base S1,S6.

Demographically constrained with persistent labor-supply pressure. The population peaked in 2010 and has declined since; the working-age cohort has been falling for longer. Female labor-force participation, immigration via specified-skilled-worker visas, and longer working lives are the main offsets S5,S11.

BOJ with the deepest experience among advanced economies in unconventional monetary policy. The bank ran negative rates and yield-curve control for years and has been normalizing since 2024. The current policy rate of around 0.75 percent is the highest since 2008 S3.

Largest gross public debt among advanced economies, financed predominantly domestically. Most JGBs are held domestically by households, banks, the BOJ, and pension funds, which limits external rollover risk relative to other large debtors. Net debt is materially smaller than gross debt S4,S9.

Continue with the data

Where to go in the data next

The indicator chapter is the live snapshot. Start with output and prices, then read external balance and labor, then finance.

Open the indicator chapterBrowse output and pricesCountry atlas

Three reasons Japan sets a distinctive macro signal

Japan has the longest modern experience among advanced economies with low inflation and unconventional monetary policy, which makes its policy history a frequent reference for other central banks. Japanese manufacturers and trading companies sit at the high-end of global supply chains in vehicles, machinery, electronics, and materials. The yen is one of the small set of major reserve currencies, and BOJ policy decisions move global FX markets out of proportion to Japan's GDP share.

The slow layer and the fast layer

The Constitution, the parliamentary architecture, the BOJ's mandate, and the long-run demographic profile sit in the slow layer. Real GDP growth, CPI, the BOJ overnight call rate, the yen, and the JGB market sit in the fast layer. The indicator chapter shows the fast layer; the prose covers the slow layer and explains why the fast layer behaves the way it does.

Country fact file

Capital
Tokyo
Currency
Japanese yen (JPY)[S3]
Population
≈ 123.4 million; peaked in 2010as of 2025-04[S5]
Total area
≈ 377,975 square kilometers[S15]
Government type
Constitutional monarchy with parliamentary democracy[S7]
Subdivisions
47 prefectures across nine regions[S7]
Founding documents
Constitution of Japan effective 3 May 1947[S7]
United Nations
Member since 18 December 1956[S12]
Real GDP growth (Q4 2025, second preliminary)
+0.3% quarter on quarteras of 2026-03[S1]
Core CPI year on year (excluding fresh food)
+1.8%as of 2026-03[S2]
BOJ overnight call rate target
around 0.75%as of 2026-04-28[S3]
Other peers
G7, G20, OECD, member of CPTPP[S6]
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