人口増加 じんこうぞうか Meanings Noun increase in population; population growth Kanji 人 person. Read as ジン. 口 mouth. Read as コウ. 増 increase. Read as ゾウ. 加 add. Read as カ. Words containing 人口増加 人口増加率 (じんこうぞうかりつ) population growth rate Jinuma: Japanese Dictionary · Word lists