Adnan Januzaj play for England under the rules set out in the Home Nations agreement. The Home Nations agreement requires that players engage in a minimum of five years of education before the age of 18 within the territory of the relevant association and do not offer national team eligibility through residency. Despite having played competitively for Belgium at senior level, Januzaj remained eligible to represent Kosovo, as it was not a UEFA or FIFA member when he made his Belgian debut. However, once he made another appearance with Belgium after 2016, the year in which Kosovo became a member of FIFA,
Adnan Januzaj has regularly visited his extended family there during the summer. Januzaj began his football career with FC Brussels but joined Anderlecht as a 10-year-old in 2005. He left Anderlecht for Manchester United at the age of 16 in March 2011, after impressing in a skills session in Brussels. Towards the end of the 2012–13 season, United manager Sir Alex Ferguson promoted Januzaj to the first-team and he was registered with the number 44 jersey; he did not feature in the remainder of the season, but he was an unused substitute in the final game of the season away to West