Etymology and distribution of 為数.

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
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

為数さんの分布

Population

Distributions by prefecture
都道府県分布数図
Distributions by city
市区町村分布数図
Distributions by subregion
小地域分布数図
Whole Japan Prefectures
レベル3 1 Hiroshima-ken(About 30)
2 Hokkaidou(About 10)
3 Nagasaki-ken(Very rare)
3 Fukuoka-ken(Very rare)
3 Oosaka-fu(Very rare)
3 Mie-ken(Very rare)
PopulationAbout 60
Ranking39,718
Rank by city
1 Aki-gun Kaita-chou(About 20)
2 Nemuro-shi(About 10)
2 Hiroshima-shi Asakita-ku(About 10)
4 Dazaifu-shi(Very rare)
4 Oosaka-shi Chuuou-ku(Very rare)
4 Mie-gun Komono-chou(Very rare)
4 Oomura-shi(Very rare)
4 Hiroshima-shi Naka-ku(Very rare)
Rank by subregion
1 広島県 安芸郡海田町 昭和中町(About 10)
1 北海道 根室市 曙町(About 10)

Distributions of ratios

Distributions of ratios by prefecture
都道府県分布比率図
Distributions of ratios by city
市区町村分布比率図
Distributions of ratios by subregion
小地域分布比率図
Whole Japan Prefectures
RatiosVery rare 1 Hiroshima-ken(0.00115%)
2 Nagasaki-ken(0.000258%)
3 Mie-ken(0.000219%)
4 Hokkaidou(0.00014%)
5 Fukuoka-ken(Very rare)
6 Oosaka-fu(Very rare)
Rank by city
1 Aki-gun Kaita-chou(0.0791%)
2 Nemuro-shi(0.0199%)
3 Mie-gun Komono-chou(0.0109%)
4 Oosaka-shi Chuuou-ku(0.0103%)
5 Dazaifu-shi(0.00754%)
6 Hiroshima-shi Asakita-ku(0.00574%)
7 Oomura-shi(0.00518%)
8 Hiroshima-shi Naka-ku(0.00435%)
Rank by subregion

Notable cities

Aki-gun Kaita-chou

マッポン! で分布を見る