割合
wariaiA quantitative relationship between two amounts, expressed as a fraction, percentage, or proportion.
売り上げに占める海外市場の割合は30%です。
The ratio of overseas markets in sales is 30%.
この混合物の水とアルコールの割合は2:1です。
The ratio of water to alcohol in this mixture is 2:1.
Commonly used in statistics, finance, and general quantitative contexts. Often followed by particles like の (no) or に (ni) in Japanese.
A portion or share of something relative to the whole.
この会社では、女性の割合が高いです。
In this company, the proportion of women is high.
Similar to 'proportion' but emphasizes the comparative aspect between parts and the whole.
Related Phrases
💡Pro Tip
Distinguishing 割合 from 比率
While both mean 'ratio', 割合 often implies a part-to-whole relationship (e.g., '30% of the total'), whereas 比率 emphasizes the comparative relationship between two distinct quantities (e.g., 'the ratio of A to B is 3:1').
⚡Gold Rule
Using 割合 with particles
割合 is typically followed by の (no) to modify a noun (e.g., 割合のデータ 'ratio data') or by に (ni) to indicate the basis of comparison (e.g., 全体に占める割合 'ratio relative to the whole'). It can also stand alone as a noun.
📖Word Origin
From the verb 割る (waru, 'to divide') + 合う (au, 'to match'), meaning 'to divide into matching parts'. The compound noun form emerged in the Edo period to describe proportional relationships.
📝Usage Notes
割合 is a formal term often used in academic, statistical, or business contexts. It is not typically used in casual conversation unless discussing quantitative data. The word can be used with particles の (no) to modify nouns (e.g., 割合のデータ 'ratio data') or with に (ni) to indicate the basis of comparison (e.g., 全体に占める割合 'ratio relative to the whole').