The citizens of United States can visit 135 countries without a visa.
American passport holders also have access to get 37 e-visas or 23 visas on arrival.
United States has a population of 329.5M people and the capital is Washington, D.C. 🇺🇸.
The nearest visa free countries to visit for American passport holders are Canada, Mexico, Guatemala, El Salvador, Belize and Honduras.
This data has been sourced from Wikipedia and last updated 10/1/2022.