How many capital cities have populations over 10 million?
5
2
2
2
2
2
3
2
3
2
3
2
1
3
2
1
3
2
1
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
2
5
1
4
3
5
1
4
3
5
1
4
3
5
1
4
3
0
5
1
4
3
5
6
0
1
4
5
6
1
0
7
4
5
6
1
7
4
0
5
6
7
4
5
6
0
7
4
5
6
0
7
4
5
6
7
8
5
6
7
8
5
6
10
9
7
8
5
6
10
9
7
8
6
10
9
7
8
6
10
9
7
8
6
10
9
7
8
13
6
10
11
9
7
No
8
13
6
10
11
9
7
No
8
13
6
10
11
9
7
No
8
13
6
3 of these
10
11
9
7
No
8
13
6
10
11
2 of these
9
7
No
8
13
6
10
11
9
3 of these
7
2 of them
No
8