Hello..
Read this:
Look at the following results:
Look at the results of Canada in International Mathematical Olympiad of 2017
Notice that "all" of them are white asians:
https://www.imo-official.org/team_r.aspx?code=CAN&year=2017
Look at the results of USA in International Mathematical Olympiad of 2017
Notice that almost all of them are white asians:
https://www.imo-official.org/team_r.aspx?code=USA&year=2017
And of course China and Republic of Korea ranked the best in
International Mathematical Olympiad of 2017 :
China ranked second in International Mathematical Olympiad of 2017
Here is the results of China:
First participation: 1985.
Number of participations: 32.
Gold medals: 147. Silver medals: 33. Bronze medals: 6. Honourable
mentions: 0.
And Republic of Korea ranked first in International Mathematical
Olympiad of 2017
Here is the results of Republic of Korea:
First participation: 1988.
Number of participations: 30.
Gold medals: 70. Silver medals: 67. Bronze medals: 27. Honourable
mentions: 7.
Here is the results of the rest of the countries:
https://www.imo-official.org/results.aspx
Thank you,
Amine Moulay Ramdane.