少子高齢化は日本の社会問題だ

N4 子 ko child, kid N3 日本 nippon Japan N4 社会 shakai society N5 問題 mondai problem, question

N4 少 shou / suku.nai, suko.shi few, little, un petit peu N5 子 shi, su, tsu / ko, -ko, ne child, sign of the rat, 11PM-1AM N5 高 kou / taka.i, taka, -daka, taka.maru, taka.meru tall, high, expensive N2 齢 rei / yowai, toshi age, âge, años N3 化 ka, ke / ba.keru, ba.kasu, fu.keru, ke.suru change, take the form of, influence N5 日 nichi, jitsu / hi, -bi, -ka day, sun, Japan N5 本 hon / moto book, present, main N4 社 sha / yashiro company, firm, office N4 会 kai, e / a.u, a.waseru, atsu.maru meeting, meet, party

N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information