While some people might have expected MK8 to be the worst selling installment in the franchise, it has enjoyed some long terms sales reaching well past Mario Kart Super Circuit and Double Dash’s life time sales numbers.
As of June 30, 2016:
Mario Kart 8
7.70 million pcs. pic.twitter.com/cg5Vibwm7G
— Phazon (@Phazon4G) July 29, 2016