Davis has played for several youth United States national teams. He played for the US at the 2001 World Youth Championship in Argentina for the Under-23 team. Davis received his first cap for the senior team July 7, 2005 in a Gold Cup match against Cuba. He also converted the clinching penalty kick in the United States' shootout victory over Panama in the Gold Cup final. Davis has also recorded four assists with the United States men's national soccer team, including the assist on Graham Zusi's goal on October 15, 2013 against Panama that eliminated Panama from the 2014 FIFA World Cup and saw Mexico qualify. Davis was included on Jürgen Klinsmann's 30-man preliminary roster for the 2014 FIFA World Cup. Davis subsequently made the final 23 that will go to the World Cup. In the USMNT's first send-off game against Azerbaijan, Davis came off the bench and assisted Aron Johannsson on the United States' second goal of the night to make the score 2–0, which was also the final score. He was in the starting lineup for a group stage game against Germany.