In 2018, the Rio games were estimated to have a total cost of $20 billion, far beyond the Rio organizing committee’s initial estimate of $2.8 billion. The city of Rio shelled out $8.2 billion on legacy builds, or builds intended to live well beyond the Olympic’s three-week life-cycle. Cities incurring overrun costs when hosting the Olympics is not just unique to just Rio; according to the Council on Foreign Relations, since 1960, every Olympics saw high overrun costs. As overrun costs become a growing concern, several cities withdrew their 2022 winter Olympic bids in 2014, citing the potential costs. The International Olympic Committee (IOC) enacted the Olympic Agenda 2020 in 2014; the agenda provided new regulations specifically to mitigate cost concerns. However, the IOC was faced with another challenge: hosting the Tokyo Olympics amid the Covid-19 pandemic. » Subscribe to CNBC: https://cnb.cx/SubscribeCNBC » Subscribe to CNBC TV: https://cnb.cx/SubscribeCNBCtelevision » Subscribe to CNBC Classic: https://cnb.cx/SubscribeCNBCclassic About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Connect with CNBC News Online Get the latest news: https://www.cnbc.com/ Follow CNBC on LinkedIn: https://cnb.cx/LinkedInCNBC Follow CNBC News on Facebook: https://cnb.cx/LikeCNBC Follow CNBC News on Twitter: https://cnb.cx/FollowCNBC Follow CNBC News on Instagram: https://cnb.cx/InstagramCNBC Subscribe to CNBC PRO: https://cnb.cx/2NLi9AN #CNBC How The Olympics Became So Expensive For Host Cities