Power-law Distribution of Family Names in Japanese Societies

Details Power-law Distribution of Family Names in Japanese Societies Power-law Distribution of Family Names in Japanese Societies

1999-12-02

arxiv.org/abs/cond-mat/9912035v1

Physics

Condensed Matter

Statistical Mechanics

11 pages including 4 figures, Physica A (accepted)

Scientific paper

10.1016/S0378-4371(99)00546-4

We study the frequency distribution of family names. From a common data base, we count the number of people who share the same family name. This is the size of the family. We find that (i) the total number of different family names in a society scales as a power-law of the population, (ii) the total number of family names of the same size decreases as the size increases with a power-law and (iii) the relation between size and rank of a family name also shows a power-law. These scaling properties are found to be consistent for five different regional communities in Japan.

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