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 States209,821
#2South Korea204,546
#3Poland195,230
#4Japan190,430
#5Germany188,823
#6United Kingdom184,160
#7France182,996
#8Russia182,060
#9Canada181,444
#10Taiwan179,228
#11China178,200
#12Australia175,453
#13Brazil172,357
#14Chile167,640
#15Hong Kong165,826
#16Sweden163,091
#17Singapore162,757
#18Norway161,660
#19Finland160,265
#20Italy159,524
#21Austria159,504
#22Indonesia157,157
#23Netherlands156,769
#24Argentina156,631
#25Lithuania153,456
#26Spain152,931
#27Mexico150,855
#28Philippines146,793
#29Czech Republic146,210
#30Denmark145,986
#31New Zealand144,900
#32Hungary142,905
#33Malaysia142,536
#34Ukraine140,741
#35Thailand138,979
#36Portugal137,713
#37Estonia137,712
#38Israel137,535
#39Romania136,660
#40Vietnam136,395
#41Switzerland136,352
#42Belgium133,928
#43Turkey130,287
#44Greece128,857
#45Latvia128,094
#46Serbia125,602
#47Peru124,637
#48Slovakia124,459
#49Belarus122,468
#50Bulgaria122,354
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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