Niantic announced today during the 2017 Game Developers Conference, that Pokémon GO has surpassed 650 million downloads.
Niantic chief technology officer Phil Keslin revealed that players have now walked roughly 8.7 billion kilometers (5.4 billion miles) while playing Pokémon GO. Keslin added that Niantic plans to keep Pokémon GO fresh with regular content updates. At this point, it would not be surprising if the game reaches one billion downloads this year.