The U.S. ranks 13th in age of first sex

According to the 2005 Durex Global Sex Survey, the average American has their first sexual experience at 16.9 years of age, which means that it is tied for thirteenth with Portugal and Bulgaria in that category. Iceland ranks first, with an average age of 15.6 years. The global average is 17.3 years.

The U.S. ranks 32nd for built-up land

According to the Global Footprint Network, the United States is tied for thirty-second (with Laos, Macedonia, Peru, Burkina Faso, Kyrgyzstan, Jordan, Latvia, Belarus, Italy, Albania, and Egypt) in terms of global  hectare per capita of built up land. Belgium ranks first.