The 2020 Summer Olympics, officially the Games of the XXXII Olympiad and officially branded as Tokyo 2020, were an international multi-sport event that were held from 23 July to 8 August 2021 in Tokyo, Japan, with some of the preliminary sporting events beginning on 21 July 2021. Tokyo was selected as the host city during the 125th IOC Session in Buenos Aires, Argentina on 7 September 2013.
Originally scheduled to take place from 24 July to 9 August 2020, the Tokyo Games were postponed until 2021 on 24 March 2020 as a result of the global COVID-19 pandemic, the first such instance in the history of the Olympic Games that the games postponed (some previous editions had been cancelled but not rescheduled). However, the Tokyo 2020 branding was retained for marketing purposes. The events were largely held behind closed doors with no public spectators permitted due to the declaration of a state of emergency in the Greater Tokyo Area in response to the pandemic, the only Olympic Games to be held without official spectators. As a consequence of the postponement and the additional challenges caused by the pandemic, the 2020 Games were the most costly ever, with a total expenditure of over $20 billion.