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 States208,131
#2South Korea203,210
#3Poland193,895
#4Japan189,159
#5Germany186,433
#6United Kingdom184,524
#7France182,673
#8Canada180,500
#9Russia180,357
#10Taiwan178,618
#11China176,929
#12Australia173,186
#13Brazil170,977
#14Chile166,629
#15Hong Kong164,834
#16Sweden162,336
#17Singapore161,615
#18Norway160,454
#19Finland159,531
#20Austria158,306
#21Italy156,108
#22Netherlands155,661
#23Indonesia155,058
#24Argentina154,895
#25Lithuania152,262
#26Spain151,437
#27Mexico149,634
#28Philippines145,210
#29Denmark145,198
#30Czech Republic144,786
#31New Zealand143,105
#32Hungary141,924
#33Malaysia141,226
#34Ukraine139,407
#35Thailand136,956
#36Portugal136,345
#37Israel135,991
#38Switzerland135,613
#39Romania135,611
#40Vietnam134,499
#41Belgium133,087
#42Estonia132,052
#43Turkey129,056
#44Greece128,283
#45Latvia127,097
#46Serbia123,864
#47Peru123,364
#48Slovakia122,163
#49Belarus121,423
#50Uruguay121,115
page 1 2 3

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