Sony announced today a major milestone for Polyphony Digital's banner racing series, Gran Turismo. The series has, as of May 9, crossed the 50 million shipment mark worldwide.

This figure includes shipments for seven titles, going back to the PlayStation original and continuing on to Gran Turismo 5 Prologue. Here's a game-by-game and region-by-region look.

Gran Turismo (PlayStation)
Total: 10.85 million
North America: 3.99 million
Europe: 4.30 million
Japan: 2.55 million
Asia: 100,000

Gran Turismo 2 (PlayStation)
Total: 9.37 million
North America: 3.96 million
Europe: 3.68 million
Japan: 1.71 million
Asia: 200,000

Gran Turismo 3 A-spec (PS2)
Total: 14.89 million
North America: 7.14 million
Europe: 5.85 million
Japan: 1.89 million
Asia: 100,000

Gran Turismo Concept 2001 Tokyo (PS2)
Total: 1.56 million
North America: N/A
Europe: 1.00 million
Japan: 430,000
Asia: 130,000

Gran Turismo 4 Prologue (PS2)
Total: 1.36 million
North America: N/A
Europe: 410,000
Japan: 790,000
Asia: 160,000

Gran Turismo 4 (PS2)
Total: 10.06 million
North America: 2.90 million
Europe: 5.77 million
Japan: 1.24 million
Asia: 150,000

Gran Turismo 5 Prologue (PS3)
Total: 2.23 million
North America: 550,000
Europe: 1.38 million
Japan: 270,000
Asia: 30,000