Table 1.

Marriage system as a function of subsistence system for the human populations in our dataset

	Normative monogamy	Polygyny rare, but tolerated	Normative polygyny
Foraging	10 (0.40)	13 (0.52)	2 (0.08)
Horticulture	7 (0.29)	14 (0.58)	3 (0.13)
(Agro)pastoralism	6 (0.37)	2 (0.13)	8 (0.50)
Agriculture	11 (0.69)	4 (0.25)	1 (0.06)
Market	9 (1.00)	0 (0.00)	0 (0.00)

Numbers represent the count of populations in each cross-tabulation; row-wise percentages are given in parentheses. Note that the distribution of subsistence and mating systems in our sample differs from that of the Standard Cross-Cultural Sample (SI Appendix, S4).