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Understand Your Pension

How Your Contributions Grow

Why starting early matters, and how investment growth builds on itself over decades.

Contributions plus growth

Your pension is built from two things: the money paid in, and the investment growth on that money. Over a working life, growth usually ends up larger than the contributions themselves.

This happens because of compounding. Each year's returns are reinvested and earn returns of their own, so the amount grows faster the longer it is left alone.

Why starting early matters

The table below compares three people who each save US$100 a month until age 65. The only difference is when they start.

Illustration: US$100 a month, 7% growth a year, until age 65. Not a forecast.
Starts saving at Years saving Total paid in Value at 65
Age 25 40 US$48,000 about US$240,000
Age 35 30 US$36,000 about US$113,000
Age 45 20 US$24,000 about US$49,000

Starting at 25 instead of 35 means paying in an extra US$12,000, but it roughly doubles the value at retirement.

What reduces growth

Fees and charges are taken from the fund, so lower costs leave more for you. Returns also go up and down from year to year, and inflation and currency changes affect what your savings can buy. In Zimbabwe, past currency changes have reduced the value of many members' savings, which is why ZAPF advocates for value preservation.

What you can do

  • Join your employer's fund as soon as you are eligible.
  • Check your benefit statement each year to confirm contributions are arriving.
  • Ask whether your fund accepts additional voluntary contributions.
  • Keep your savings invested when you change jobs; read our guide to changing jobs.

More in Understand Your Pension

  • Who pays in, who looks after the money, and how it becomes an income when you stop working.

  • What happens to your pension when you move employer, and why cashing out costs you more than you think.

  • How to estimate what you will need, check you are on track, and prepare in the years before you retire.

  • The information you are entitled to, and where to go if something is wrong with your pension.

  • A plain-language glossary of the words you will see on payslips, benefit statements and fund documents.