[Klaus]

From the biggest photo store chain in JP:

#1: Sony α7 III 
#2: Fuji Film X100F 
#3: Nikon D3400
#4: Panasonic LUMIX G9 PRO
#5: Sony RX100 VI
#6: Fuji Film X - H1 
#7: Olympus Tough TG - 5 
#8: Canon EOS 5D Mark IV 
#9: Nikon D850 
#10: Canon EOS 6D Mark II

Some unexpected stuff in there - but JP has always been a little different.

They also have a list regarding USED camera sales:

#1: Sony α 7 II 
#2: Canon EOS 6D 
#3: Sony α7 III 
#4: Sony RX 100 V 
#5: Canon EOS 5D Mark IV 
#6: Olympus OM - D E - M1 Mark II
#7: Canon EOS 7D Mark II
#8: Sony α 7R II 
#9: Nikon D850 
#10: Canon EOS 5D Mark III