The bill for the hosts could end up around 16-billion dollars.
The postponement of the Toyko Olympics until next summer is set to cost the Japanese government almost three-billion dollars.
Organisers have also confirmed that the International Olympic Committee has committed to covering 650-million dollars of the costs incurrent by pushing the games back by a year.
Tokyo 2020 President Yoshiro Mori is now estimating that the final bill for hosting the games will be in the region of 16-billion dollars.
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