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)
| Rank | State/Regime | Duration (years) | Historical Period |
|---|---|---|---|
Roman Empire (Pax Romana) | 206 | 27 BC to 180 AD | |
Tokugawa Shogunate (Sakoku) | 194 | 1639 to 1833 | |
Switzerland (Modern Federal State) | 178 | 1848 to present | |
| 4 | Sweden (Continuous Peace) | 172 | 1814 to present |
| 5 | Qing Dynasty (High Qing Era) | 134 | 1683 to 1817 |
| 6 | British Empire (Pax Britannica) | 99 | 1815 to 1914 |
| 7 | United States (Post-Civil War) | 161 | 1865 to present (Mainland) |
| 8 | Han Dynasty (Reign of Wen and Jing) | 60 | 180 BC to 120 BC |
| 9 | Portugal (Modern Period) | 52 | 1974 to present |
| 10 | Austria (Post-WWII) | 81 | 1945 to present |
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CategoryHistory & Civilization
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