Here is a look at quarterly sales for the PlayStation 4 since launch.

6.1 million unit sales for the quarter is similar to holiday quarter 2014 when the console shipped 6.4 million units.

Clearly on a downward trend as we enter end of lifecycle. pic.twitter.com/EMgLWQOLFr

— Daniel Ahmad (@ZhugeEX) February 4, 2020

A total of 14.7 million PS4 units were shipped in 2019, down from 17.7 million in 2018.

Unless there is a price cut this year, it's likely that sales will decline sharper in 2020. pic.twitter.com/bPYzlZ4qpK

— Daniel Ahmad (@ZhugeEX) February 4, 2020

Sony:

Game & Network Services (G&NS) sales down 20% in its holiday quarter.

Operating income down significantly, as expected.

Lower PS4 HW & non-1st party SW.
PS Plus revenue increased.

Slight downward revision for both in terms of annual guidance.https://t.co/09vWQuHJvq pic.twitter.com/3ptnbznMc1

— Dom (@DomsPlaying) February 4, 2020

Sony reported revenue of 632 billion yen for its Game and Network Services segment, down 20% YoY due to lower hardware sales, third party software sales and impact of foreign exchange rates.

Operating Income also down due to decrease in third party software sales. pic.twitter.com/QxsUINuJL0

— Daniel Ahmad (@ZhugeEX) February 4, 2020

Here is a look at cumulative global console shipments for the first 86 months, aligned from launch.

After 74 months the PS4 is tracking ahead of both the Wii and PS2.

After 34 months the Switch is tracking ahead of PS2 and PS4, but slightly behind Wii. pic.twitter.com/W6YMPiuFqV

— Daniel Ahmad (@ZhugeEX) February 5, 2020