Territory Changes
68 events since 1990 · 7.8M km² transferred
New Countries
34
9 independence
23 secession
2 partition
Dissolved
6
since 1990
Expanded
37
9 via conflict
28 peaceful only
Contracted
16
7 via conflict
9 peaceful only
Based on 68 recorded events (16 by conflict · 7.8M km² transferred)
Notable Historical Events (pre-1816)
Estimated figures from historical sources. Not included in the ranked totals on the main tab.
No pre-1816 events in the selected period. Choose an earlier time range (e.g. All Time or Since 1500) to see historical events.
Ranked totals based on event-level records (1816-2025). Pre-1816 events are historical estimates shown separately. Area in square kilometers. Events classified as conquest, annexation, cession, secession, unification, or mandated territory. Wartime occupations (e.g., WWII) are excluded from the dissolved list.