United States
1. American Football
2. Basketball
3. Baseball
4. Ice Hockey
5. Golf
6. Nascar
7. Tennis
8. Soccer
9. Boxing
10. Mixed Martial Arts
China
1. Soccer
2. Basketball
3. Tennis
4. Snooker
5. Badmington
6. Athletics
7. Volleyball
8. Swimming
9. Table Tennis
10. Formula 1
India
1. Cricket
2. Soccer
3. Tennis
4. Badmington
5. Field Hockey
6. Formula 1
7. Athletics
8. Boxing
9. Wrestling
10. Golf
Japan
1. Baseball
2. Soccer
3. Golf
4. Athletics
5. Horse Racing
6. Tennis
7. Formula 1
8. Boxing
9. Volleyball
10. Sumo
UK
1. Soccer
2. Cricket
3. Rugby union
4. Golf
5. Tennis
6. Formula 1
7. Horse Racing
8. Rugby League
9. Boxing
10. Cycling
Mexico
1. Soccer
2. Baseball
3. Basketball
4. American Football
5. Tennis
6. Boxing
7. Formula 1
8. Cycling
9. Athletics
10. Mixed Martial Arts
Turkey
1. Soccer
2. Basketball
3. Volleyball
4. Tennis
5. Athletics
6. Formula 1
7. Cycling
8. Wrestling
9. Rally
10. Boxing
South Korea
1. Baseball
2. Soccer
3. Basketball
4. Golf
5. Volleyball
6. Figure Skating
7. Tennis
8. Swimming
9. Gymnastics
10. Badmington
Saudi Arabia
1) Soccer
2) Tennis
3) Basketball
4) Formula 1
5) Athletics
6) Cycling
7) Rally
8) Moto GP
9) Boxing
10) Handball
South Africa
1) Rugby Union
2) Soccer
3) Cricket
4) Tennis
5) Golf
6) Formula 1
7) Basketball
8) Athletics
9) Cycling
10) Boxing
Nigeria
1) Soccer
2) Athletics
3) Tennis
4) Basketball
5) Boxing
6) Table Tennis
7) Golf
8) Formula 1
9) Weightlifting
10) Cycling
Pakistan
1) Cricket
2) Soccer
3) Tennis
4) Field Hockey
5) Boxing
6) Athletics
7) Snooker
8) Formula 1
9) Swimming
10) Golf
Poland
1) Soccer
2) Volleyball
3) Tennis
4) Ski Jump
5) Basketball
6) Formula 1
7) Handball
8) Cycling
9) Speedway
10) Boxing
Algeria
1) Soccer
2) Handball
3) Swimming
4) Basketball
5) Athletics
6) Boxing
7) Cycling
8) Volleyball
9) Tennis
10) Judo
Colombia
1) Soccer
2) Cycling
3) Tennis
4) Athletics
5) Basketball
6) Golf
7) Formula 1
8) Boxing
9) Baseball
10) Mixed Martial Arts
Kazakhstan
1) Boxing
2) Soccer
3) Mixed Martial Arts
4) Ice Hockey
5) Wrestling
6) Tennis
7) Cycling
8) Weigtlifting
9) Judo
10) Figure Skating
Germany
1. Soccer
2. Formula 1
3. Basketball
4. Tennis
5. Handball
6. Cycling
7. Boxing
8. Ice Hockey
9. Downhill skiing
10. Biathlon
France
1. Soccer
2. Tennis
3. Rugby Union
4. Basketball
5. Cycling
6. Formula 1
7. Athletics
8. Handball
9. Downhill skiing
10. Swimming
Russia
1. Soccer
2. Ice Hockey
3. Basketball
4. Boxing
5. Tennis
6. Biathlon
7. Formula 1
8. Volleyball
9. Athletics
10. Figure Skating
Brazil
1. Soccer
2. Mixed Martial Arts
3. Formula 1
4. Tennis
5. Basketball
6. Volleyball
7. Athletics
8. Swimming
9. Boxing
10. Judo
Italy
1. Soccer
2. Basketball
3. Formula 1
4. Moto GP
5. Cycling
6. Tennis
7. Volleyball
8. Golf
9. Rugby Union
10. Downhill skiing
Australia
1. Rugby League
2. Australian Rules Football
3. Cricket
4. Rugby Union
5. Soccer
6. Tennis
7. Golf
8. Cycling
9. Basketball
10. Horse Racing
Canada
1. Ice Hockey
2. Baseball
3. Basketball
4. American Football
5. Soccer
6. Tennis
7. Golf
8. Mixed Martial Arts
9. Curling
10. NASCAR
Spain
1. Soccer
2. Basketball
3. Tennis
4. Formula 1
5. Cycling
6. Moto GP
7. Handball
8. Athletics
9. Rally
10. Rugby Union
Netherlands
1) Soccer
2) Cycling
3) Tennis
4) Formula 1
5) Speed Skating
6) Athletics
7) Basketball
8) Darts
9) Golf
10) Swimming
Indonesia
1) Moto GP
2) Formula 1
3) Badmington
4) Tennis
5) Basketball
6) Boxing
7) Athletics
8) Soccer
9) Swimming
10) Cycling
Argentina
1) Soccer
2) Tennis
3) Basketball
4) Rugby Union
5) Formula 1
6) Touring Car
7) Field Hockey
8) Boxing
9) Volleyball
10) Athletics
Thailand
1) Soccer
2) Volleyball
3) Boxing
4) Badimton
5) Muay Thai/Kickboxing
6) Tennis
7) Basketball
8) Golf
9) Mixed Martial Arts
10) Moto GP
Kenya
1) Soccer
2) Athletics
3) Rugby Union
4) Basketball
5) Golf
6) Cricket
7) Tennis
8) Field Hockey
9) Boxing
10) Volleyball
Philippines
1) Basketball
2) Boxing
3) Volleyball
4) Soccer
5) Tennis
6) Golf
7) Mixed Martial Arts
8) Baseball
9) Triathlon
10) Athletics
Sweden
1) Soccer
2) Ice Hockey
3) Cross-Country Skiing
4) Tennis
5) Athletics
6) Golf
7) Handball
8) Downhill Skiing
9) Basketball
10) Swimming
Top 20 sports by region...
Top 20 sports by country income level
High income defined as GDP per head over $30k, low income as GDP per head under $15k