How to say "disparity" in Japanese

Choosing the right word
  • 格差かくさJLPT N1approx.Common
    nounThe default word for a gap in level, amount, or condition between groups — income, regional, or educational disparities. It presents the difference as a gap between a higher and a lower side.
    裕福ゆうふくな人々ひとびとと貧まずしい人々ひとびととの格差かくさはますます広ひろがっている。↗
    The gap between rich and poor is getting wider.
  • 差異さいJLPT N1approx.Common
    nounA neutral word for a difference or discrepancy between two things; it states only that they differ, without the image of a wide gap, and fits comparisons of figures, data, or versions.
    それらの間あいだには、ごくわずかな差異さいがあった。↗
    There was a minute difference between them.
  • 不釣合いふつりあいCommon
    noun, na-adjectivePoints to a mismatch or disproportion between two things — sizes, degrees, or qualities that are out of proportion with each other; its 'disparity' is this sense, not a gap between groups.
    この大おおきな門もんは小ちいさな庭にわに不釣り合ふつりあいだ。↗
    This big gate is disproportionate to the small garden.
  • 隔たりへだたりCommon
    nounBuilt on the idea of distance: a disparity felt as a wide divide that separates two sides — in feeling, understanding, or degree — rather than a figure on a chart.
    問題もんだいは、この必要ひつような隔へだたりを埋うめるのが知覚ちかくであるという点てんにある。↗
    The problem lies in the fact that the necessary gap is bridged by perception.
  • 不均衡ふきんこうCommon
    na-adjective, nounReally means imbalance or lopsidedness — a state in which things are out of balance — and matches 'disparity' only through that disproportion sense; for disparity itself, 格差 or 差異 is usually the word you want.
    貿易ぼうえき不均衡ふきんこうが大おおきな問題もんだいであるように思おもえる。↗
    The trade imbalance bulks large in our minds.

Use 格差 for gaps between groups in level or condition, 差異 for neutral differences between things, 「不釣合い」 for mismatch or disproportion, 「隔たり」 for a wide divide in feeling or understanding, and 不均衡 for imbalance rather than disparity proper.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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