JapanandUnited States

660 BCE (traditional) · 4 July 1776

Two sourced records set beside each other — the figures each nation publishes, and the events each chronicle records of the other. Compared, never graded.

Japan

660 BCE (traditional) — The traditional accession of Emperor Jimmu

Dossier →Chronicle →

United States

4 July 1776 — The Second Continental Congress adopts the Declaration of Independence

Dossier →Chronicle →

Shared indicators
42
Domains
9
Crossed events
3
Data through
2026-09-07

The figures, side by side

Each figure is the same observation, with the same source, as on the two dossiers. Every value shows the year it was observed — vintages differ by indicator and nation. A “—” is an absence in the source data, never a zero. Metric names link to the world ranking; values open the figure on its own dossier.

Economy

JPNUSA
  • Observed 2025 / 2025 · figures compared, never graded
  • Observed 2025 / 2025 · figures compared, never graded
  • Observed 2025 / 2025 · figures compared, never graded
  • Observed 2025 / 2024 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded

Society

JPNUSA
  • Observed 2025 / 2025 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2025 / 2025 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded

Governance

JPNUSA

Health

JPNUSA
  • Observed 2023 / 2023 · figures compared, never graded
  • Observed 2022 / 2022 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded

Education

JPNUSA

Technology

JPNUSA
  • Observed 2023 / 2023 · figures compared, never graded
  • Observed 2023 / 2022 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2023 / 2024 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded

Geography

JPNUSA
  • Observed 2023 / 2023 · figures compared, never graded
  • Observed 2023 / 2023 · figures compared, never graded
  • Observed 2023 / 2023 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2021 / 2021 · figures compared, never graded

Resources

JPNUSA
  • Observed 2021 / 2021 · figures compared, never graded
  • Observed 2021 / 2021 · figures compared, never graded
  • Observed 2021 / 2021 · figures compared, never graded
  • Observed 2021 / 2021 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed — / 2025 · figures compared, never graded
  • Iron ore
    —38 Mt2025
    Observed — / 2025 · figures compared, never graded
  • Gold (mined)
    —160 t2025
    Observed — / 2025 · figures compared, never graded
  • Observed — / 2025 · figures compared, never graded
  • Observed — / 2025 · figures compared, never graded
  • Rare earths
    —51.0 kt2025
    Observed — / 2025 · figures compared, never graded
  • Zinc (mined)
    —670 kt2025
    Observed — / 2025 · figures compared, never graded
  • Observed — / 2025 · figures compared, never graded

Military

JPNUSA
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2024 / 2024 · figures compared, never graded
  • Observed 2020 / 2020 · figures compared, never graded

Entangled histories

3 events in which either nation’s sourced chronicle names the other — including under earlier names of the same state. Each is the same record, with the same sources, as on its own chronicle; nothing here was written for this page.

  1. 1941 CE

    Attack on Pearl Harbor

    Japan attacks the U.S. fleet at Pearl Harbor, bringing the United States into World War II and opening the Pacific War.

    War & Rupture · from the Japan chronicle · Meiji and Empire: Revolution from Above · REFS 1 — Pacific War

  2. 7 December 1941

    Attack on Pearl Harbor

    Japan's surprise attack on the U.S. naval base in Hawaii brought the United States into the Second World War.

    War & Rupture · from the United States chronicle · Reconstruction, industrial rise, and the World Wars · REFS 1 — Joint Address to Congress Leading to a Declaration of War Against Japan (1941)

  3. 1945 CE

    Atomic bombings and surrender

    The United States drops atomic bombs on Hiroshima and Nagasaki on August 6 and 9; Japan announces surrender, formalized on September 2, ending World War II.

    War & Rupture · from the Japan chronicle · Meiji and Empire: Revolution from Above · REFS 2 — Atomic bombings of Hiroshima and Nagasaki, Pacific War