Global Immigration Tracker
Today's immigration to the West resembles immigration to African and Asian colonies in the early/mid 1900's. The map and table below measure religious, ethnic, and racial change.
14 countries
Foundational decline under colonization
How far each country's foundational population was pushed down as a share of its own territory at the height of settlement, in percentage points. The year in brackets is when settlement peaked. Deeper red is a larger change; the scale runs to the largest value in view.
Population share (%)
0%13%25%
Comparable data unavailable
Country · start → peak settlement% change
Hover a row to locate it on the map. Click any row or country for the full breakdown.
Sources
Western Immigration Data:
Historical Colonization Data:
- Britannica: Pieds-Noirs (Algeria)
- Britannica: Morocco - French Protectorate
- Britannica: Egypt - Modern History
- Britannica: Portugal - The Carnation Revolution (Angola/Mozambique)
- Britannica: Dutch East Indies (Indonesia)
- Britannica: Belgian Congo
- Britannica: Namibia - German Colonization
- INED: French Institute for Demographic Studies
Country-by-Country Sources
Click a country to view the primary data sources used for its demographic profile.