base year

noun

a year chosen for comparison with other years, in statistical analysis and various indices, such as a price index. It usually has an arbitrary value of 100 to make percentage comparisons easier. A new base year can be chosen as the years progress.

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Meanings

nounbase year (plural base years)

plural base years

  1. economicsa year chosen for comparison with other years, in statistical analysis and various indices, such as a price index. It usually has an arbitrary value of 100 to make percentage comparisons easier. A new base year can be chosen as the years progress.

Synonyms & antonyms

Also see
year

Translations

Danish basisår
  • basisåryear chosen for comparison
Norwegian Bokmål basisår
  • basisåryear chosen for comparison
Tagalog taong takad, takad na taon
  • taong takadyear chosen for comparison
  • takad na taonyear chosen for comparison
Thai ปีฐาน
  • ปีฐานyear chosen for comparison
Cite this entry
APA

base year. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/base%20year

MLA

“base year.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/base%20year. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “base year,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/base%20year.

Source: base year on Wiktionary, CC BY-SA 4.0.