Ratio
Proportion, Percentage
noun
You compare the percentage, figuring out the ratio or proportion of one thing to another. This can also be expressed as a percentage!
比率 usually shows up in cases where you compare two numbers with each other, like the number of male and female students in a classroom.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
人口比率
population ratio
女性比率
female ratio
男女比率
gender ratio
流動比率
liquidity ratio
2：1の比率
ratio of 2:1
人の比率
percentage of people
女性の比率
percentage of women
男女の比率
ratio of men and women
比率を高める
to increase the ratio
比率を見る
to check the ratio
比率を上げる
to raise the ratio
比率を変える
to change the ratio
比率を下げる
to lower the ratio
うちの会社の男女比率は、5:2です。
The male to female ratio in our company is 5:2.
それってGDP比率の何パーセントぐらいですか？
Approximately what percentage of GDP is that?
何かを学ぼうとするときは、インプットとアウトプットの比率を考えながら学ぶといいですよ。
When you are trying to learn something, you should consider the ratio of input to output.