is this website accurate? https://www.census.gov/popclock/world https://www.census.gov/popclock/world says we're notably farther away, and im inclined to trust

is this website accurate? https://www.census.gov/popclock/world https://www.census.gov/popclock/world says we're notably farther away, and im inclined to trust a government over a site run by an unknown group