Country Rankings (Standard) by Weighted PP
A weighted PP system for ranking countries, where the top 100 players are weighted in the same way as individual plays

RankCountryPP
#1United States193,702
#2South Korea192,575
#3Japan180,490
#4Poland177,466
#5Germany175,788
#6France171,883
#7Canada170,890
#8United Kingdom169,314
#9China166,696
#10Taiwan164,719
#11Russia164,469
#12Australia159,859
#13Brazil156,997
#14Hong Kong153,866
#15Finland152,142
#16Chile151,641
#17Sweden151,058
#18Norway150,068
#19Singapore147,908
#20Italy147,325
#21Austria147,132
#22Netherlands145,179
#23Argentina144,402
#24Indonesia143,184
#25Mexico140,948
#26Lithuania139,892
#27Spain139,301
#28Philippines137,883
#29Denmark136,324
#30New Zealand135,717
#31Hungary131,994
#32Czech Republic131,015
#33Malaysia130,273
#34Ukraine128,081
#35Portugal127,038
#36Thailand126,027
#37Switzerland125,152
#38Vietnam123,881
#39Estonia123,357
#40Belgium122,336
#41Israel121,320
#42Greece119,911
#43Turkey119,085
#44Romania118,968
#45Latvia117,032
#46Bulgaria113,941
#47Slovakia113,498
#48Peru112,694
#49Venezuela112,617
#50Uruguay112,533
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The above includes every region that has at least a single player in the top 10,000. List updates weekly.

Credit to r7w for the inspiration and k3v227 for the initial suggestion