Question: what is the average size of a japanese house?
Answer: The average size of an owned residence in Japan is 121.7 m2 (36.8 tsubo; 1,310 sq ft). This varies wildly between major urban areas (Tokyo: 91.0 m2 or 27.5 tsubo or 980 sq ft) and rural areas (Toyama Prefecture: 178.4 m2 or 54.0 tsubo or 1,920 sq ft).