The 2020 AFC Futsal Championship in Turkmenistan, where five FIFA Futsal World Cup slots were to be awarded, did not take place due to COVID-19. The confederation, therefore, nominated IR Iran, Japan and Uzbekistan to represent it at Lithuania 2021. In addition, Thailand and Vietnam were victorious in their play-off matches and therefore booked the continent's last two spots.
Russia, Spain, Portugal and Kazakhstan stamped their World Cup tickets at the UEFA Elite Round from 28 January to 2 February 2020. Czech Republic defeated Croatia in the play-off round to book their place, while Serbia edged Finland 6-5 on aggregate in their play-off on 9 December 2020. Lithuania, as hosts, have already been confirmed as participants.
The South American qualifiers for the FIFA Futsal World Cup Lithuania 2021™ were played from 1 to 9 February. Argentina, Brazil, Paraguay and Venezuela secured the continent's four available World Cup berths.