There are an estimated 2,095,404 people named William alive worldwide today. That ranks William at #6 globally, with the highest concentrations in United States.
In the United States, William is held by approximately 2,095,404 people, ranking #6 among first names. That works out to roughly 631 per 100,000 Americans (or 1 in 158 U.S. residents).
Historically William is used overwhelmingly as a male name (99.6% male).
William appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.