PlayStation 4 hits 20.2 million units sold worldwide

[JRPGfan]

"As of the 1st of March, 2015, sales of Sony PlayStation 4 to end users surpassed 20.2 million units,..."

Meanwhile on VGchartz.... looks at PS4 sales @19,4m.

Yep undertracked by 800k+ (surpassed means over 20.2).