annum

Everyday

(formal, money) A year; "per annum" means each year or for every year. tree →

In the lessons

Met in money and maths problems: a salary or interest rate is often given "per annum" (p.a.). It tells the reader the amount is for one year. Phrases: per annum, p.a.

Examples

• The bank pays 3% interest per annum. tree →
• Her salary is fifty thousand pounds per annum. tree →
• The club charges twenty dollars per annum to join. tree →
• The tree grows about 30 centimetres per annum. tree →
• If the rent is 1,200 per annum, how much is it per month? tree →
• The rate is written as 5% p.a. on the poster. tree →
• The farm produces ten tonnes of wheat per annum. tree →

Note

Latin for "year", used in "per annum". Abbreviation: p.a. Formal; plain English is "a year" or "each year". In maths: to change a per annum amount to per month, divide by 12; to per week, divide by 52. Related: annual, anniversary.