A pro-democracy protester uses a phone to record people waving lights next to the central government offices in Hong Kong as activists marked one month since authorities used tear gas in an attempt to disperse them on Oct. 28, 2014.
Alex Ogle—AFP/Getty Images
September 22, 2015 5:01 PM EDT

Instagram will celebrate its fifth anniversary on Oct. 6, but it’s already popping the champagne – the popular photo app now has 400 million users.

“While milestones like this are important, what really excites us is the way that visual communication makes the world feel a little bit smaller to every one of us,” Instagram wrote in a blog post Tuesday, announcing that more than 75% of its users were outside of the U.S. “Among the last 100 million to join, more than half live in Europe and Asia,” says Instagram.

Growth has been particularly high in Brazil, Japan and Indonesia.

Instagram reached 300 million users last December.

Read next: The Instagram Photographers to Follow in All 50 States.

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