Enter a date of birth to get an exact age in years, months and days, plus total weeks and days lived and a countdown to the next birthday.

How age is calculated

The calculator counts complete years first, then complete months, then the remaining days, taking into account the real length of each month and leap years. You can change the second date to find someone’s age on any past or future date.

Handy age milestones in Canada

AgeWhat changes
16Learner’s driving licence in most provinces
18TFSA room starts; adult in most provinces (19 in some)
60Earliest age to start CPP (reduced)
65Standard CPP and OAS age
71Last year to convert an RRSP to a RRIF or annuity

FAQ

How are leap-day birthdays handled?

People born on February 29 usually celebrate on February 28 or March 1 in non-leap years; the calculator uses the actual calendar days between the dates.

Need the days between two other dates?

Use the date calculator.