CIPA (Camera & Imaging Products Association in Japan) published their March report. The downturn continues - the total number of shipped digital cameras is lower compared to the same month in previous years (orange: 2018, black: 2017, blue: 2016, click for larger view). The table with the actual numbers can be found here:
DSLR numbers:
Mirrorless numbers:
Here are the other two graphs:
List of participating CIPA companies can be found here.