How many states in the U.S. have a population over 20,000,000?
3
3
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
4
1
3
2
5
6
4
1
3
2
5
6
4
1
3
7
2
5
6
4
1
3
7
2
5
6
4
1
3
7
2
5
6
4
1
3
7
2
5
6
4
1
3
7
2
8
5
6
4
1
3
7
2
9
8
5
6
4
1
3
7
2
9
8
5
6
4
1
3
7
2
9
8
5
11
6
4
10
1
3
7
2
9
8
5
11
6
4
10
1
3
7
2
9
8
5
11
6
4
10
1
7
12
2
9
8
11
6
13
10
7
12
9
8
11
6
13
10
7
12
9
8
11
6
13
10
7
12
9
8
11
6
13
10
7
12
9
8
11
6
13
10
7
12
9
8
11
6
13
10
7
12
9
8
14
11
6
13
10
2 states
4 states
5 states
3 states