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per annum

American  
[per an-uhm] / pər ˈæn əm /

adverb

  1. by the year; yearly.


per annum British  
/ pər ˈænəm /

adverb

  1. every year or by the year

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of per annum

Borrowed into English from Latin around 1595–1605

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Last week’s second-quarter earnings release showed that its free cash flow had turned negative but its cloud business was expanding at 45% per annum, second only to Google in terms of growth.

From MarketWatch Aug. 25, 2026

“This will go on for a few years as a total of 1.7 million lbs owed at max 250,000 lbs per annum, dragging down the realized price,” Ord Minnett says.

From The Wall Street Journal Jan. 28, 2026

These include allowing people to average 182 days per annum, spread over three years.

From BBC Jan. 28, 2026

Their hope is the Slams will each commit 16% of their revenue this year, with the figure rising by 1.5% per annum until 2030.

From BBC Jan. 14, 2026

‘You get off at Mombasa. Your salary will be five hundred pounds per annum and your tour is for three years.’

From "Boy: Tales of a Childhood" by Roald Dahl

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