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interpopulational
interpopulational adj.
Brit. 
/ˌɪntəpɒpjᵿˈleɪʃn̩(ə)l/
, /ˌɪntəpɒpjᵿˈleɪʃn̩(ə)l/U.S. /ˌɪn(t)ərˌpɑpjəˈleɪʃ(ə)nəl/
occurring or existing between populations or groups./ˌɪn(t)ərˌpɑpjəˈleɪʃ(ə)nəl/ΘΚΠ
the world > relative properties > relationship > correlation > [adjective] > between people, groups, etc.
interprovincial1839
intercolonial1843
intersocial1852
intercontinental1855
interregal1855
intermundane1858
intersectional1865
interportal1881
interzonal1881
intercommunal1909
interlocal1920
interindividual1922
intergroup1931
inter-dominion1949
inter-agency1969
interpopulational1971
1971 Listener 30 Dec. 907 There are no known IQ tests which are capable of overcoming the interpopulational cross-cultural barrier.
1971 McGraw-Hill Yearbk. Sci. & Technol. 253 Interpopulational developmental comparisons..helped to clarify what in the past seemed to be an aberrant course of leaf development.
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