Lionel Messi has represented Argentina in international competitions since 2005， when he was just 18 years old. He has played an integral role in Argentina’s football success， most notably leading his team to victory in the 2014 FIFA World Cup final. He has also helped Argentina reach the World Cup finals in both 2014 and 2018， and the Copa America finals in both 2015 and 2016.

Messi made his international debut for Argentina in a friendly against Hungary in 2005. Since then， he has become one of the most iconic players in the world， scoring over 70 goals for Argentina and captaining the side since 2011. He has won a number of individual awards， including the FIFA Ballon d’Or for five consecutive years from 2009 to 2013.

Messi is known for his ability to create and score goals， as well as his dribbling skills and vision. He is widely regarded as one of the best players of all time， and is considered to be the greatest player of his generation. He is also known for his leadership and determination on the pitch， helping his team to success on numerous occasions.

Messi has become an ambassador for Argentina， representing the country in many countries around the world. His commitment and passion for the game have made him a role model for many， and have inspired millions of people to play football.