Pronunciation: [pˈɒpjʊləsi] (IPA)
Correct spelling for the English word "Populacy" is [pˈɒpjʊləsi], [pˈɒpjʊləsi], [p_ˈɒ_p_j_ʊ_l_ə_s_i] (IPA phonetic alphabet).
Correct spelling for Populacy