Was part of the team of the Portuguese Football Selection who won the 4th place in the 2006 World Cup. Also was summoned for the World Cup 2010.
On 17 January 2011, Tiago decided to leave Officially the National Team justifying the decision
In a letter sent to the Portuguese Football Federation, alleging personal reasons and the need to give
Opportunity to younger players. Tiago thus ended his international career, after 58 games and 3 goals scored at the service of the Team of kines. But in October 2014, he decides return to your national team.