Statistics describe a share of a whole or compare one quantity with another.
The idea
一割 is one tenth or 10%, so 三割 is 30%. In 三分の一, the denominator comes first: one third. 二倍 means twice the baseline.
| Form | Meaning |
|---|---|
| 一割 | 10% |
| 三割 | 30% |
| 三分の一 | 1/3 |
| 二倍 | ×2 |
Examples
- 回答者の三割が毎日新聞を読みます。Thirty percent of respondents read a newspaper every day.
- 参加者の百分の四十は女性です。Forty percent of the participants are women.
- 利用率は前年の20パーセントから30パーセントに上がりました。The usage rate rose from 20 percent the previous year to 30 percent.
- 割合は10ポイント上昇しました。The proportion rose by 10 percentage points.
- 今年の売上は昨年の二倍です。This year’s sales are twice last year’s.
- 住民の三分の一が自転車を使います。One third of residents use bicycles.
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Watch out
A rise from 20% to 30% is 10 percentage points, but a 50% relative increase: the baseline matters.
Try it yourself
「三割」は何パーセントですか。
Show answer or example answer
30パーセント
三割 is 30%: each 割 represents 10%.
「三分の一」の分母は何ですか。
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3
The denominator is 3: 三分の一 divides the whole into three parts.
20パーセントから30パーセントへの上昇は何ポイントですか。
Show answer or example answer
10ポイント
The increase is 10 points: subtract 20 from 30.
Practice round
Answer questions, then rebuild Japanese sentences where available. We keep your score.
「三割」は何パーセントですか。
「三分の一」の分母は何ですか。
20パーセントから30パーセントへの上昇は何ポイントですか。
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
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Compare two figures and state both their point difference and the baseline.

