Australia, Japan, South Korea and Qatar are applying for the 2022 finals only.
Russian Prime Minister Vladimir Putin told Fifa on Tuesday that his country will waive visa requirements for participants if it wins hosting rights, an idea the delegation warmly received.
Visitors from nearly all countries require a visa to travel to Russia, which must be applied for in advance.
Putin also said the construction of 'world-class' football stadiums will go ahead regardless of whether Russia is granted hosting rights, which will be co-funded out of state money and private investment.
Fifa's inspection team has already visited Japan, South Korea, Australia and Belgium and the Netherlands.
Their next visit is to England, starting on Monday, where they will spend time with Deputy Prime Minister Nick Clegg.
"I've no doubt fans from around the country will unite and show the Fifa inspection team the passion and festival of football we could create if we staged the world's greatest sporting event," Beckham said.
WORLD CUP HOST BIDDERS
2018 and 2022: England, Netherlands/Belgium, Russia, Spain/Portugal, United States.
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