The latest report in Q3 2014 (reported by App Annie)

Here are Top 5 Countries by downloads (iOS App Store)

Rank

1 United States

2 China

3 Japan

4 United Kingdom

5 Russia

 

Top 5 Countries by downloads (Google Play)

1 United States

2 Brazil

3 India

4 Russia

5 South Korea

 

Top 5 Countries by Revenue (iOS App Store)

1 United States

2 Japan

3 China

4 United Kingdom

5 Australia

 

Top 5 Countries by Revenue (Google Play)

1 Japan

2 United States

3 South Korea

4 Germany

5 Taiwan