<p class="ingestion featured-caption">The Eiffel Tower Stadium at the Champ-De-Mars in Paris.DIMITAR DILKOFF/Contributor/AFP via Getty Images</p><ul class="summary-list"><li>The 2024 Summer Olympics begin in Paris on July 26.</li><li>The estimated cost of the 2024 Olympic Games is $8.2 billion, according to a <a target="_blank" class href="https://wallethub.com/blog/olympics-fun-facts/22356">WalletHub</a> report.</li></ul><p>A lot has changed since <a target="_blank" href="https://www.businessinsider.com/american-moved-to-paris-finds-it-more-affordable-than-expected-2024-4">Paris</a> last hosted the <a target="_blank" href="https://www.businessinsider.com/ilona-maher-skincare-beauty-products-olympics-2024-7">Olympics</a> 100 years ago.</p><p>In 1924, a then-record 44 countries competed in the Games, which cost an estimated 10 million francs, according to "A Look At Olympic Costs" at <a target="_blank" class href="https://library.olympics.com/Default/doc/SYRACUSE/2288084/a-look-at-olympic-costs-by-frank-zarnowski?_lg=en-GB">The Olympic Studies Centre.</a></p><p>This year, 206 countries are <a target="_blank" href="https://www.businessinsider.com/team-usa-2024-olympics-ceremony-uniforms-ralph-lauren-2024-6">sending athletes to go for gold</a>, and the host nation will spend an estimated $8.2 <em>billion </em>on preparation.</p><p>From stadiums to security, here's a breakdown of some of the most eye-popping costs of staging and attending the 2024 Olympics in Paris, according to a new <a target="_blank" class href="https://wallethub.com/blog/olympics-fun-facts/22356">WalletHub report</a> and Olympics data.</p>