How many states in the U.S. have a population over 20,000,000?
3
2
2
2
2
2
2
5
3
2
5
3
2
5
3
2
4
5
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
4
5
1
3
2
7
4
5
1
3
2
7
4
5
6
1
3
2
7
4
5
6
1
3
2
7
4
5
6
1
3
2
7
10
4
5
6
1
3
7
10
4
5
13
6
1
3
8
7
10
4
5
13
6
1
3
8
7
10
4
5
13
6
1
3
8
7
10
4
5
13
6
1
3
8
7
10
9
4
5
13
6
11
1
3
8
7
10
9
4
13
6
11
1
8
7
10
9
4
13
6
11
1
8
7
10
9
4
13
6
11
1
8
7
10
9
13
6
11
1
8
7
10
20
9
12
13
6
11
8
7
10
20
9
12
13
6
11
8
7
10
20
9
12
13
6
21
11
8
7
10
20
9
12
13
6