Etymology and distribution of 友次.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
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Ratio of 友次.

カンマ区切りで複数の名字を指定できます。

Etymology of 友次

Distribution of 友次
Ranking
1 Okayama-ken(0.0128%)
2 Kyouto-fu(0.00382%)
3 Oosaka-fu(0.000633%)
4 Hiroshima-ken(0.000433%)
5 Hyougo-ken(0.00041%)
6 Shiga-ken(0.000325%)
7 Chiba-ken(0.000265%)
8 Miyagi-ken(0.000208%)
9 Toukyou-to(0.000199%)
10 Kanagawa-ken(0.000184%)
11 Nagano-ken(0.000164%)
12 Aichi-ken(0.000134%)
13 Fukuoka-ken(Very rare)
14 Hokkaidou(Very rare)