List of Billboard Hot 100 number-one singles of the 2000s

The Billboard Hot 100 is a chart that ranks the best-performing songs in the United States, published by Billboard magazine. In the 2000s, each chart's "week ending" date was the Saturday of the following two weeks.

Source: Wikipedia — List of Billboard Hot 100 number-one singles of the 2000s (CC BY-SA 4.0)