2021年(nian)十大流行歌(ge)曲榜(bang)(bang)中榜(bang)(bang),CNPP小(xiao)編主要依據Billboard美國、日本年(nian)榜(bang)(bang)/Oricon年(nian)榜(bang)(bang)/melon年(nian)榜(bang)(bang)/tmea評(ping)選,并(bing)綜合(he)參考互聯(lian)網相(xiang)關排行榜(bang)(bang)/榜(bang)(bang)單進行推薦,如有疑(yi)問(wen),歡迎(ying)在末尾評(ping)論/批評(ping)指(zhi)正。