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 States196,385
#2South Korea194,401
#3Japan181,818
#4Poland180,155
#5Germany177,485
#6France173,853
#7Canada172,825
#8United Kingdom171,408
#9China167,814
#10Taiwan166,793
#11Russia166,391
#12Australia161,164
#13Brazil159,196
#14Hong Kong156,342
#15Chile153,295
#16Finland152,994
#17Sweden152,732
#18Norway152,692
#19Singapore150,273
#20Italy148,683
#21Austria148,592
#22Netherlands146,973
#23Argentina145,281
#24Indonesia144,451
#25Spain141,612
#26Lithuania141,210
#27Mexico140,923
#28Philippines139,090
#29Denmark138,530
#30New Zealand136,717
#31Czech Republic132,650
#32Malaysia132,363
#33Hungary132,137
#34Ukraine131,245
#35Portugal128,625
#36Thailand127,459
#37Switzerland126,482
#38Vietnam125,580
#39Belgium124,470
#40Estonia122,697
#41Israel122,309
#42Greece121,420
#43Romania120,659
#44Turkey120,569
#45Latvia119,263
#46Peru115,103
#47Bulgaria114,673
#48Slovakia114,638
#49Uruguay114,119
#50Venezuela113,940
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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