Joe Biden said he would sign legislation banning TikTok in the U.S. If ByteDance doesn’t comply, TikTok might face a complete ban in the U.S., affecting its 150 million users. When asked by reporters to comment on the vote, President Biden said: “If they pass it, I’ll sign it.”Why we care. White House ban. Amid security concerns, President Biden banned almost four million federal government employee from using TikTok on government devices.