Japan

Japan, U.S. treaty ally: U.S.-Japan Security Treaty (1960) · Prime Minister: Sanae Takaichi. Records, connections and sources from free public data, each…

Last updated: 8 Nov 2026.

Where it appears in the data

• World · poll history (World Powers)
• Immigration · worldbank (Immigration)
• Education · oecd attain (Education)
• World · events (World Powers)
• Nobel · affiliations (World Powers)
• Regulatory Contacts · faca memberships (Companies)
• Un · pk fatalities (World Powers)

In today's data

• Largest earthquake in the last 7 days: M6.1 — 144 km SE of Hasaki, Japan (USGS, 8 Nov 2026)
• The Bank of Japan has had 12 heads since 1969, one every 4.8 years — Heads of the 6 banks whose record on Wikidata runs unbroken back to 1969; the other banks' records have gaps and stay on the page (Wikidata (position held), 6 Nov 2026)
• Japan's 10-year government bond yield is 2.81%, against 1.68% a year earlier — Higher on 27% of days since Jul 1986; last higher on 04 Nov 2026 · Record high 8.11% in Sep 1990, low -0.30% in Jul 2016 · 20-year 3.64%, 30-year 3.92%, 40-year 3.93% (Japan Ministry of Finance, 4 Nov 2026)
• The Nobel Prize in Chemistry 2026: Henri B. Kagan and Kenso Soai — for the discovery of non-linear effects and autocatalysis in asymmetric organic synthesis · Université Paris-Sud; Tokyo University of Science · born in France, Japan (Nobel Foundation, 6 Oct 2026)
• Japan's 10-year government bond yield was 0.42 points below Germany's in September 2026, up 0.63 points from a year earlier — Yield 3.05%, Germany 3.47% · +0.43 points five years earlier · Widest month of 2010-2013: -0.42 points · Monthly average yields; the spread against Germany separates a country-specific move from a move in all government… (OECD (10-year government bond yields), 29 Sep 2026)
• The US 10-year yield was 1.94 points above Japan's in September 2026, down 0.53 points from 12 months earlier — US 4.12% and Japan 1.65% 12 months earlier · OECD monthly yields, which reach FRED about a month after the month ends (Federal Reserve (H.10 exchange rates) and OECD (10-year government bond yields), via FRED, 29 Sep 2026)
• Europe paid $25.49 per MMBtu for imported natural gas in September 2026, Japan $26.64, against $2.95 at Henry Hub — Europe's price is $22.54 above Henry Hub, the gap that pays for liquefying and shipping U.S. gas · $11.00 a year earlier (IMF and EIA, 29 Sep 2026)
• Japan held $1,068 billion of U.S. Treasury securities in August 2026, 9.8% less than a year earlier — $1,184 billion a year earlier · 11.4% of all foreign holdings · Highest month $1,326 billion (Nov 2021) · By country of the holder or custodian; custody centres hold for owners elsewhere (U.S. Treasury (Treasury International Capital), 30 Aug 2026)
• Japan cut $35.6B of U.S. Treasuries in August 2026, to $1,068.3B — -115.6B on a year earlier (U.S. Treasury (TIC), 30 Aug 2026)
• Japan bought ¥11.7 trillion of yen on 3 days (30 Apr to 6 May); the rate was 160.2 yen per dollar before and 160.0 20 sessions after — Policy-rate gap, Fed minus Bank of Japan: +2.88 points on the first day · A fall in yen per dollar is a stronger yen · Amounts are the Ministry of Finance's; the rates are the Federal Reserve's noon rates in New York (Japan Ministry of Finance (Foreign Exchange Intervention Operations) and Federal Reserve (H.10), 5 May 2026)
• Japan's governments, households and companies owed 349% of GDP in March 2026, the most of the 15 powers covered — All non-financial borrowers at market value, -13 pts on a year earlier and -7 pts on ten years earlier; Taiwan is not covered (Bank for International Settlements, 30 Mar 2026)
• Japan's population is projected to fall 13% by 2050 and 40% by 2100, the steepest fall of the tracked powers — Bars: projected fall by 2050, %. Census Bureau projection from 2026; births per woman 1.41, median age 50.6, already past its peak (U.S. Census Bureau, 31 Dec 2025)
• Japan's government debt: 205% of GDP in 2025, -8.8 pts on 2024 — IMF forecast: 189% by 2031 (IMF World Economic Outlook, 30 Dec 2025)
• Japan made 3.3% of world output at local prices in 2025, -0.08 pts on 2024 — Treaty ally · 7.9% in 1980 (IMF World Economic Outlook, 30 Dec 2025)
• Japan: households spent 53% of GDP in 2024, down 3.6 points from 2014 — Investment 28% and savings 32% of GDP, each in its newest year · Savings above investment are lent abroad, below it borrowed (World Bank World Development Indicators, 30 Dec 2024)
• Japan: the 10-year government bond yield averaged 0.9% in 2024, 1.9 points below nominal growth of 2.8% — Primary balance -1.5% of GDP · Government debt 214% of GDP · Nominal growth is approximated from the IMF's real growth and consumer-price inflation; the yield is the OECD's monthly average (IMF World Economic Outlook and OECD (10-year government bond yields), 30 Dec 2024)

Advisory committees

• National Science Foundation (Proposal Review Panel for Physics, since 2007)
• National Aeronautics and Space Administration (Space Flight Advisory Committee, since 2001)