DJI currently holds a whopping 72.5% of the video camera market in Japan (Insta360 is at 12.5%):
DJI’s share of the video camera market has also risen, reaching an astonishing 72.5%, its highest ever. New products have also revitalized the entire video camera market. Sales in April increased significantly, with a 158.1% year-on-year increase in units and a 135.2% increase in sales value. This was revealed by the BCN ranking, which compiles actual sales data from 2,400 electronics retailers and online shops nationwide. (source)
Various DJI Osmo Pocket camera models currently hold the top 4 spots:
New DJI Osmo Pocket 4P camera teaser and additional information