How many countries in Asia have a population over 1 billion?
2
2
2
2
3
2
3
2
3
2
5
3
2
5
3
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
6
3
4
5
1
7
6
3
4
5
1
7
6
3
4
5
1
8
7
6
4
5
1
8
7
6
4
5
1
8
7
6
4
1
8
7
6
4
10
1
8
7
6
4
10
9
8
7
6
10
9
2 countries
11
8
7
6
10
9
11
8
7
6
10
9
11
8
7
4 countries
6
10
9
11
8
3 countries
7
6
10
9
11
8
7
6
13
10
9
11
8
7
6
13
10
9
11
8
7
6
5 countries
13
2 countries
10
9
11
8
7
6
13
10
6 countries
9
11
8
7
6
13
10
9
4 countries
11
8
7
6
8 countries
13