Dadka reer Japan (Japanese: 日本人, Hepburn: nihonjin) waa ummad iyo qowmiyad asal ahaan ka soo jeeda Japan waxayna ka kooban yihiin 98.5% wadarta guud ee dadka dalka. Dunida oo dhan, qiyaastii 129 milyan oo qof ayaa ka soo jeeda Japan; kuwan, qiyaastii 125 milyan waa dadka deggan Japan. Dadka ka soo jeeda Japan ee ku nool meel ka baxsan Japan waxaa loo yaqaan nikkeijin (日系人), qurbajoogga Japan. Ereyga qowmiyadaha Japan waxaa badanaa loo isticmaalaa in lagu tilmaamo dadka reer Japan, gaar ahaan dadka Yamato. Japan waa mid ka mid ah qowmiyadaha ugu waaweyn adduunka. Su'aal: Imisa milyan oo qof oo ka soo jeeda Japan ayaa ku nool Japan?
125 oo ah