Which gives more interest? (CPF) Contribute at the start of the year (Jan/Feb) or Contribute monthly? How does the interest works?

Answered this question on a similar post last year.

CPF interest is calculated monthly, so contributing at the start of the year gives more.

If you are doing top-ups or OA to SA transfer yourself, then you should also know...

I tried to calculate cpf interest, but couldn't get the exact amount... the conclusion I came to was cpf monthly interest is based on the lowest balance amount of the month.

If you have deductions like regular insurance premiums, monthly investment, or deductions from OA to pay for property loan, then you can get more interest by topping up before the deduction happens so you have a higher lowest balance of the month.

The amount of additional interest might not be worth the effort though.

Contributing at the start of the year gives you more interest.

The interest is computed monthly but will only be credited to your CPF account at the end of the year.

Contributions will also only start earning interest in the month after the contribution month

E.g contribution received on any dates in January will only start earning interest in February.