GTA 5 is still a popular game despite it being over three years old, and copies are still being sold.
According to Chart-Track the Rockstar hit title has shipped over 6 million copies in the UK alone, but their data does not include digital sales, only physical sales. Chart-Track shows that out of the 170 weeks that GTA 5 has been available, it has been in the top 10 for 130 of those weeks.
According to Chart-Track, GTA 5 stands at over 2 million copies sold over its competition.
GTA 5 was first released on September 17th 2013 on PS3 and Xbox360, and released again in 2014 on PS4 and Xbox One, and finally released once more in 2015 on PC.
Huge congratulations to Rockstar and all members involved in its development.