個 人 差(こじんさ)

こじんさ

noun

individual differences

1. individual differences, personal variation

Differences or variations between individuals. Commonly used when noting that results, effects, or experiences may vary from person to person.

効果(こうか)には個人差(こじんさ)があります。

Results may vary between individuals.

薬(くすり)の効(き)き目(め)には個人差(こじんさ)が大(おお)きい。

The effectiveness of the medicine varies greatly between individuals.

成長(せいちょう)のスピードには個人差(こじんさ)があるので、他(ほか)の子(こ)と比(くら)べなくてもいい。

The speed of growth varies between individuals, so there's no need to compare with other children.

A very common phrase in medical, health, and product contexts. The standard disclaimer 個人差(こじんさ)があります ("individual results may vary") appears frequently in advertisements, medical explanations, and product descriptions.

Common collocations

個人差(こじんさ)がある (there are individual differences)
個人差(こじんさ)が大(おお)きい (there is great individual variation)
個人差(こじんさ)を考慮(こうりょ)する (take individual differences into account)

The word is composed of 個人(こじん) (individual) + 差(さ) (difference). Similar compound words include 年齢差(ねんれいさ) (age difference) and 格差(かくさ) (disparity).

general

Added 2026.2.18 3:40 · Revised 2026.9.2 13:01

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