United States, 1945–1968

Democracy · Republic · North America · High Cold War era

Cold-War America at the height of its power, a prosperous democracy of containment abroad and civil-rights struggle at home under a large military establishment.

In the first Cold War decades the United States built a large permanent military and alliance system to contain the Soviet Union, sustained a long economic boom and mass consumer society, and expanded the federal role through the New Deal legacy. Domestically the period combined anticommunist politics, including McCarthyism, with the growing civil-rights movement that dismantled legal segregation. Democratic institutions and competitive elections remained central.

Open United States 1945–1968 in the interactive 3D atlas →

Dominant patterns

  • Militarization
  • External Expansion
  • Democratization
  • Great-Power Rivalry
  • Regime Stabilization

Political-science factor profile

Each factor 0–100; higher = stronger authoritarian / crisis pole (except institutional stability, where higher = stronger institutions).

Centralization of Power48
Media Control35
Repression40
Nationalism65
Militarization82
Economic Stress28
External Conflict75
Cult of Personality35
Elite Fragmentation42
Institutions80
Social Polarization52
Corruption & Patrimonialism32
Ideological Mobilization55
External Sovereignty100

Economy & society

GDP per capita$16k (intl-$)
GDP growth+3.5%/yr
Population190.0M people
Share of world population6.3%
Urban share70%
Territory~9.4M km²
Capital population~800k

Closest historical twins

The country-eras whose structural profile most resembles United States 1945–1968, by similarity score (0–100).

  1. United States, 1981–1989 – similarity 96/100 · shared: Militarization, External Expansion, Democratization, Great-Power Rivalry, Regime Stabilization
  2. British Empire, 1901–1914 – similarity 95/100 · shared: Militarization, External Expansion, Democratization, Great-Power Rivalry, Regime Stabilization
  3. British Empire, 1868–1901 – similarity 93/100 · shared: Militarization, External Expansion, Democratization, Great-Power Rivalry, Regime Stabilization
  4. Great Britain, 1783–1815 – similarity 92/100 · shared: Militarization, External Expansion, Democratization, Regime Stabilization
  5. France, 1900–1914 – similarity 91/100 · shared: Militarization, External Expansion, Democratization, Great-Power Rivalry
  6. United States, 1941–1945 – similarity 91/100 · shared: Militarization, External Expansion, Democratization, Regime Stabilization
  7. Great Britain, 1688–1727 CE – similarity 90/100 · shared: Militarization, External Expansion, Democratization, Great-Power Rivalry, Regime Stabilization
  8. Great Britain, 1727–1760 CE – similarity 90/100 · shared: Militarization, External Expansion, Democratization, Great-Power Rivalry, Regime Stabilization

What followed

  • Postwar prosperity and superpower primacy.
  • Civil-rights advances expanding the democracy.