Income in Japan
The median income in Japan is about $40 a day per person (2021 PPP) — richer than 88% of everyone alive.
Level 3 · 33%Level 4 · 64%
Level 1 under $3.00/day · 1%Level 2 $3.00–$8.30/day · 2%Level 3 $8.30–$33/day · 33%Level 4 $33+/day · 64%
In Japan, 1.1% lived under the $3.00 line at the 2008 survey and 1.2% at the 2020 one — it has barely moved.