The most recent IAAF list of athletes currently serving drug suspensions by country:
Russia: 68
Turkey: 44
India: 36
Ukraine: 16
Belarus: 11
U.S.A.: 10
Morocco: 10
Kenya: 10
Romania: 9
Portugal: 8
Nigeria: 8
France: 8
Saudi Arabia: 7
Malaysia: 7
Brazil: 7
Italy: 6
Iran: 5
South Africa: 4
Libya: 4
Kazakhstan: 4
Jamaica: 4
China: 4
Uzbekistan: 3
Spain: 3
Kuwait: 3
Great Britain: 3
Australia: 3
Sweden: 2
Slovakia: 2
Moldova: 2
Mexico: 2
Hungary: 2
Greece: 2
Colombia: 2
Bulgaria: 2
Austria: 2
1 each: Venezuela, Uruguay, Turkmenistan, Trinidad & Tobago, Tanzania, Syria, St. Kitts & Nevis, Serbia, Senegal, PPV, Poland, Myanmar, Japan, Ireland, Iraq, Guatemala, Germany, Georgia, Finland, Ethiopia, Dominican Republic, Denmark, Croatia, Chile, Brunei, Belgium, Bahrain, Azerbaijan, Algeria, Afghanistan