The 20 teams also all opposed a FIFA proposal to reduce the five windows for international men's matches to just two in a year.
FIFA has been actively pushing the idea of a biennial World Cup, rather than staging the competition every four years.
The latest edition of the tournament – which features the champions of the six continental confederations along with the top team in the host nation – was due to be played at the end of this year in Japan before it pulled out as host because of the pandemic.
FIFA President Gianni Infantino told European football leaders that his governing body was not the "enemy of football"
European football's governing body presented the findings of the study to the leaders of its 55 member federations on Tuesday.
Infantino, who is working with former Arsenal manager Arsene Wenger to gain support for World Cups every two years, claims the plans would help more nations qualify to play on the biggest stage.
The 5 September match in Sao Paulo was suspended after seven minutes due to alleged breaches of COVID-19 protocols.
Infantino explained that his biennial World Cup plan in fact envisages a global showpiece every year, alternating between men's and women's competitions.
International Olympic Committee expresses concerns over FIFA's controversial biennial World Cup proposal
Though IOC President Thomas Bach said last month we will not interfere in this discussion, his organisation stepped in on Saturday after meeting in Athens to detail objections it shared with football stakeholders.
FIFA president Gianni Infantino on Friday defended his plan to hold the World Cup every two years
In recent weeks FIFA has been actively pushing the idea of a biennial World Cup, rather than staging the competition every four years.
UEFA complained on Wednesday that Gianni Infantino's world body has yet to respond to its request for talks to discuss the concerns of European nations.
USSF President Cindy Parlow Cone sent an open letter on Friday, which called for the men’s national team to allow the USSF to reallocate a portion of FIFA’s World Cup payments to the federation to the women’s team.
On Wednesday, FIFA president Gianni Infantino said the extensive shake-up would cut out "too many meaningless matches".
The Premier League defied FIFA to decide that almost 60 players from 19 clubs would not be released next week to fly off to qualifiers in 26 countries on England’s red list — including all South American nations.
Though it is still unclear what caused Eriksen’s health scare, the relentless schedule resulting from the pandemic has been far from ideal.
LaLiga chief Javier Tebas attacked Real Madrid, Barcelona and Juventus presidents for their role in the European Super League.
Infantino reiterated his intention to "find a date" for a Club World Cup which he wants to see extended to 24 teams, despite widespread opposition to the plan.
Clubs risk their players picking up more injuries with such a dense calendar, while the economic benefits are also uncertain, according to Raffaele Poli, head of the CIES Football Observatory.
FIFA chief Gianni Infantino cautious about imposing sanctions on Super League clubs, says he prefers 'dialogue to conflict'
Infantino said there were many possible avenues to promote "economic stability" and "competitive balance" in football.