減少します（げんしょうします、genshoushimasu）
- to decrease

The Japanese word 減少します 減少します means "to decrease," "to diminish," "to reduce," or "to lessen." It describes a decline in quantity, number, size, or intensity of something. It is a formal and polite verb. The subject of the verb is what is decreasing.

⚫︎人口が減少します。 Translation: The population decreases. ⚫︎売上が減少します。 Translation: Sales decrease. ⚫︎地震の揺れが減少しました。 Translation: The earthquake shaking diminished.

減少します 減少します is used in formal situations such as business meetings, formal presentations, or when speaking to someone you respect. You can use this word when talking about statistics, data, or situations where a decline is observed. It is the polite -masu form of the verb 減少（げんしょう）する. The subject of the verb is what is undergoing the decrease.

減少します is written in kanji and hiragana: • Kanji: 減少 (げん - decrease, reduced, reduction; ション - action) • Hiragana: します (the polite -masu form of the verb) • The okurigana is standard. • Other forms include: 減少（げんしょう）する (the plain form, "to decrease"), 減少（げんしょう）した (past tense), 減少（げんしょう）しない (negative present/future).

• 減（へ）ります - to decrease, to diminish (more casual) • 低下（ていか）します - to decline, to fall • 減（へ）らす - to reduce (transitive verb, needs an object) • 縮小（しゅくしょう）します - to reduce, to scale down

• 増加（ぞうか）します - to increase • 増（ふ）えます - to increase (intransitive verb) • 増（ふ）やす - to increase (transitive verb, needs an object) • 上昇（じょうしょう）します - to rise, to go up

この地域の犯罪件数は、昨年より減少しました。 ・Translation: The number of crimes in this area decreased compared to last year. ・Explanation: This sentence describes a decrease in the number of crimes, using 減少しました as the past tense.

政府は環境汚染を減らすために、排出量を減少させる政策を打ち出しました。 ・Translation: The government launched a policy to reduce emissions in order to reduce environmental pollution. ・Explanation: This sentence uses 減少させる, the causative form of 減少する, describing an action to cause reduction.

減少 減少 is a compound word. 減（げん） means "to reduce" or "to lessen," and 少（しょう） means "few" or "small." When combined, 減少 means "reduction" or "decrease." The verb form 減少します 減少します is created by adding the polite suffix します to the noun form 減少.