ＯＥＣＤの調査で北欧諸国が税率において世界の上位をキープした。

tbd

In the OECD survey, northern European countries are keeping their high ranking in tax-rates.

給与が増えるに比例して、所得税率もあがっていく。

tbd

The income tax rate increases in proportion to the salary increase.

The income tax rate increases in proportion as your salary rises.