10,000,000 people, give or take a few tens of thousands.
1 - 1,000
1,001 - 5,000
5,001 - 10,000
10,001 - 50,000
50,001 - 100,000
100,001 - 250,000
250,001 - 500,000
500,001 - 1,000,000
1,000,001 +
10,000,000 people, give or take a few tens of thousands.