>> reporter: after years of preparation, tokyo 2020 is just weeks away. a year late due to the pandemic, organizers say the event will now cost $15.4 billion. some estimates suggest it will cost much more. >> cancel the tokyo olympics. >> reporter: opinion polls in japan suggest a majority of the public want it canceled. japan has already banned overseas spectators, which the research institute estimates will cost the country over a billion dollars in lost revenue. canceling the games it says would cost more than $16 billion but the think tank warns these costs actually pale in comparison to the economic damage another wave of coronavirus could cause. the ioc says its priority is to hold games that are safe and secure and while pressure mounts for japan to cancel the games, contractually it can't. >> and that is the single entity that can cancel the games is the