Article: There are one billion homeless people living in our world today . The Homeless World Cup exists to end this , so we all have a home , a basic human need . The Homeless World Cup is an annual , international football tournament  , uniting teams of people who are homeless to take a once in a lifetime opportunity to represent their country and change their lives forever . It has inspired and supported over 50 grass roots  football projects around the world working with homeless people throughout the year . The first tournament took place in Graz 2003 uniting 17 national teams . At the 5th Homeless World Cup in Copenhagen in 2004 , 48 nations , 500 players were united for a once in a lifetime opportunity to represent their country . 25,000 players were involved in pre-tournament training and trials around the world . The Homeless World Cup is full of players with courage , spirit and determination . Research shows that 73% of players change their lives for the better after the international tournament by coming off drugs and alcohol , moving into jobs , education , homes , training , reuniting with families and even going on to become players and coaches for professional or semi-professional football teams . David Duke (Scotland) played in 2004 , came off alcohol , passed his coaching qualifications  . He became assistant coach for Scotland 2005 , coach in 2006 and now owns his own home . The best goal scorer in 2004 Yevgen Adamenko(Ukraine) went on to play in a professional club in Ukraine . The Homeless World Cup supporters include Nike , UN , Manchester United , Real Madrid and international footballers Didier Drogba and Rio Ferdinand . 
 Answer: help the homeless start a new life
The purpose of the Homeless World Cup is to  _  .