UEFA (Europe)
Qualified
Russia (hosts), Belgium, Germany, England, Spain, Poland.
Could still qualify
Greece, Bosnia and Herzegovina, Sweden, Netherlands, Switzerland, Portugal, Northern Ireland, Serbia, Wales, Republic of Ireland, Denmark, Slovakia, Italy, Iceland, Croatia, Ukraine.
AFC (Asia)
Qualified
Iran, Japan, South Korea, Saudi Arabia.
Could still qualify
Syria, Australia.
CAF (Africa)
Qualified
Nigeria, Egypt.
Could still qualify
Senegal, Burkina Faso, Cape Verde, Morocco, Ivory Coast, Tunisia, DR Congo.
CONCACAF (North/Central America and Caribbean)
Qualified
Mexico, Costa Rica.
Could still qualify
USA, Panama, Honduras.
CONMEBOL (South America)
Qualified
Brazil
Could still qualify
Uruguay, Chile, Colombia, Peru, Argentina, Paraguay.
OFC (Oceania)
Could still qualify
New Zealand