Number of players from each participating team in #Russia2018 who have previous experience in previous World Cups (either having played a game or simply being called, but not having the opportunity to debut). Leading the ranking Mexico (16 of the 23 players summoned by Osorio have already been in a World Cup before):
16 Mexico
15 Belgium and Switzerland
13 Costa Rica and Croatia
11 Germany, Spain, Japan and Uruguay
10 Colombia
9 Argentina
8 South Korea
7 Australia, France, Iran, Portugal and Russia
6 Brazil and Nigeria
5 England
4 Serbia
3 Denmark
1 Poland
0 Saudi Arabia, Egypt, Iceland, Morocco, Panama, Peru, Senegal, Sweden and Tunisia.