HomeHistory & CivilizationTop 10 Longest Periods of Internal Peace in Human History
Top 10Updated 2026年3月11日

Top 10 Longest Periods of Internal Peace in Human History

This ranking covers the longest continuous periods of internal stability, peace, and absence of major armed conflict within sovereign states throughout human history. These records highlight eras of prosperity achieved through long-term social order, measuring the duration in consecutive years without civil war or major foreign invasion.

Current #1
Roman Empire (Pax Romana)
RankState/RegimeDuration (years)Historical Period
Roman Empire (Pax Romana)
20627 BC to 180 AD
Tokugawa Shogunate (Sakoku)
1941639 to 1833
Switzerland (Modern Federal State)
1781848 to present
4
Sweden (Continuous Peace)
1721814 to present
5
Qing Dynasty (High Qing Era)
1341683 to 1817
6
British Empire (Pax Britannica)
991815 to 1914
7
United States (Post-Civil War)
1611865 to present (Mainland)
8
Han Dynasty (Reign of Wen and Jing)
60180 BC to 120 BC
9
Portugal (Modern Period)
521974 to present
10
Austria (Post-WWII)
811945 to present

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