数十年(すうじゅうねん)

すうじゅうねん
noun
several decades; a few dozen years
time-periodquantity
1. several decades; a few dozen years
A span of roughly twenty to ninety years, given deliberately without precision. Common in writing about history, social change, and long-term forecasts.
数十年(すうじゅうねん)前(まえ)の話(はなし)だ。
That's a story from several decades ago.
この建物(たてもの)は数十年(すうじゅうねん)にわたって使(つか)われてきた。
This building has been in use for several decades.
今後(こんご)数十年(すうじゅうねん)で人口(じんこう)は大(おお)きく減(へ)ると予測(よそく)されている。
The population is projected to fall sharply over the next several decades.

The prefix 数(すう) means "several" and combines freely with counters: 数日(すうじつ) (several days), 数年(すうねん) (several years), 数十年(すうじゅうねん) (several decades), 数百年(すうひゃくねん) (several centuries).

Common collocations

  • 数十年前(すうじゅうねんまえ): several decades ago
  • 数十年間(すうじゅうねんかん): for several decades
  • 数十年(すうじゅうねん)にわたる: spanning several decades
  • ここ数十年(すうじゅうねん): over the past few decades

Similar words

Related Words

Compare: 何十年(なんじゅうねん) (decades and decades)
Compare: 十数年(じゅうすうねん) (ten-odd years)
Related: 数年(すうねん) (several years)
general
Added 2026.8.15 0:52 · Revised 2026.9.2 13:02
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