Men's qualification Stage Zone Tournament Berths 2012 2016 2020 1 — Host nation 1 (from Europe) 1 (from Americas) 1 (from Asia) 2 World – FINA FINA Water Polo World League 1 1 1 3 World – FINA World Aquatics Championships 3 2 2 4 Africa – CANA African Continental Selection 0 0 1 Americas – ASUA Pan American Games 1 1 1 Asia – AASF Asian Water Polo Championship 1 1 1 Europe – LEN European Water Polo Championship 0 1 1 Oceania – OSA Oceanian Continental Selection 1 1 1 5 World – FINA World Qualification Tournament 4 4 3 Total 12 12 12