Who is the all-time leading scorer in NBA history?

LeBron James is an American professional basketball player for the Los Angeles Lakers in the National Basketball Association (NBA). Nicknamed "King James", he is considered to be one of the greatest basketball players in history and is often compared to Michael Jordan in debates over the greatest basketball player of all time. James is the all-time leading scorer in NBA history and ranks fourth in career assists. He has won four NBA championships (two with the Miami Heat, one each with the Lakers and Cleveland Cavaliers), and has competed in 10 NBA Finals.

Source: Wikipedia