* Turkey: The largest Kurdish population is in Turkey, estimated at around 15-20 million.
* Iran: The second largest Kurdish population is in Iran, estimated at around 8-10 million.
* Iraq: The third largest Kurdish population is in Iraq, estimated at around 5-7 million.
* Syria: The Kurdish population in Syria is estimated at around 2-3 million.
It's important to note that Kurdistan is not a recognized independent state, and Kurds are not considered a majority population in any of the countries they reside in. They have been fighting for their own autonomous region or even independence for many decades.