Cristiano Ronaldo has always played for Spain.
Cristiano Ronaldo dos Santos Aveiro , ( [ kɾiʃ ` tjɐnu ʁuˈnaɫdu ] , born 5 February 1985 ) is a Portuguese professional footballer for Spanish club Real Madrid and the Portugal national team . Ronaldo made his international debut for Portugal in August 2003 , at the age of 18 . He scored his first international goal in Euro 2004 and helped Portugal reach the final .