Main Controls Primary Dataset Average duration of wars involving the great powers Format Calc Table Line Chart Calc Table Table Clear All Africa Americas Asia Australia & New Zealand Caribbean Central America Central Asia Eastern Africa Eastern Asia Eastern Europe Europe European Union High Income Countries Latin America & Caribbean Low Income Countries Lower Middle Income Countries Melanesia Micronesia Middle Africa Middle Income Countries Northern Africa Northern America Northern Europe Oceania Polynesia South America South-Eastern Asia Southern Africa Southern Asia Southern Europe Sub-Saharan Africa Upper Middle Income Countries Western Africa Western Asia Western Europe World Advanced Settings Region Calculation Sum Average Weighted Average Average duration of wars involving the great powers years, 1513–1988 Cancel Download Average Sum Average Weighted Average Select Country/Region Africa Americas Asia Australia & New Zealand Caribbean Central America Central Asia Eastern Africa Eastern Asia Eastern Europe Europe European Union High Income Countries Latin America & Caribbean Low Income Countries Lower Middle Income Countries Melanesia Micronesia Middle Africa Middle Income Countries Northern Africa Northern America Northern Europe Oceania Polynesia South America South-Eastern Asia Southern Africa Southern Asia Southern Europe Sub-Saharan Africa Upper Middle Income Countries Western Africa Western Asia Western Europe World Select Country/Region Africa Americas Asia Australia & New Zealand Caribbean Central America Central Asia Eastern Africa Eastern Asia Eastern Europe Europe European Union High Income Countries Latin America & Caribbean Low Income Countries Lower Middle Income Countries Melanesia Micronesia Middle Africa Middle Income Countries Northern Africa Northern America Northern Europe Oceania Polynesia South America South-Eastern Asia Southern Africa Southern Asia Southern Europe Sub-Saharan Africa Upper Middle Income Countries Western Africa Western Asia Western Europe World 1513 -- Select Country -- Select Country -- Select Country -- Select Country 1988 -- Select Country -- Select Country -- Select Country -- Select Country 1513–1988 SUMMARY -- Select Country -- Select Country -- Select Country -- Select Country