Merry-go-round vs savings group: ROSCA vs ASCA explained
The difference between a rotating merry-go-round (ROSCA) and an accumulating savings group (ASCA), with a side-by-side comparison and when to switch.
Informal savings groups come in two basic designs. Knowing which one you're running — or should be running — saves a lot of confusion.
The rotating model (ROSCA)
A rotating savings and credit association is what most people call a merry-go-round, susu or rotating chama. Everyone pays in each round; one person takes the whole pot; after everyone has had a turn, the circle ends.
- Money is never kept by the group — it passes straight through.
- Nobody earns interest. Everyone receives exactly what they paid in.
- It's simple, fast and needs almost no bookkeeping.
The accumulating model (ASCA)
An accumulating savings and credit association keeps members' savings in a shared fund that grows. Members can borrow from it and repay with interest, and the interest is shared among members — usually in proportion to how much they've saved. Village savings and loan associations (VSLAs), SACCO-style groups, alumni welfare funds and investment chamas all follow this model.
- The group holds money over time, so it needs records, rules and oversight.
- Savers earn a return from the interest borrowers pay.
- Members can borrow what they need, when they need it — not only on their turn.
Side by side
| Merry-go-round (ROSCA) | Savings group (ASCA) | |
|---|---|---|
| Where money goes | Straight to one member each round | Into a shared fund |
| Returns | None — you get back what you paid | Interest from loans shared with savers |
| Borrowing | Only "on your turn" | Anytime, subject to rules |
| Welfare fund | Not usually | Common (funerals, medical, emergencies) |
| Records needed | Who paid, who's next | Savings, loans, repayments, shares, welfare |
| Main risk | Early recipient stops paying | Poor lending decisions, weak controls |
| Governance | An organiser | Officials, committees, audits |
When to switch from a merry-go-round
Consider moving to (or adding) an accumulating fund when:
- members keep asking to borrow outside their turn;
- the group wants to support members through funerals, illness or school fees;
- you'd like savings to earn something rather than just rotate;
- the group has grown beyond people who all know each other personally.
The trade-off is more responsibility: you'll need a constitution, clear roles, lending rules and proper records — ideally double-entry books so the numbers always reconcile.
Doing both
Many groups keep the fun and discipline of a rotation while building a shared fund: for example, of a GHS 300 monthly contribution, GHS 200 rotates and GHS 100 goes into a fund for loans and welfare.
A decision guide
Answer these five questions:
- Do members mainly want a lump sum at a predictable time? → Merry-go-round.
- Do members want to borrow when they need to, not when their turn comes? → Savings group.
- Does the group want to support members in emergencies? → Savings group with a welfare fund.
- Is anyone willing to keep proper records every month? → Needed for a savings group.
- Do members know each other well? → Either works; if not, start with a small merry-go-round to build trust.
Many groups start as a merry-go-round and add a savings fund after a year or two, once trust and record-keeping habits are established.
Start with a free rotation plan. When you're ready for loans, shares and welfare with books that balance themselves, AwaFund runs the accumulating side for you.
Frequently asked questions
What is an ASCA?
An accumulating savings and credit association. Members save into a shared fund that grows over time, lend to each other with interest, and share the profits — instead of rotating a pot.
Can a group do both?
Yes, and many do. A common setup is a monthly rotation for part of each contribution, with the rest going into a shared fund for loans and welfare.
This guide is general information to help groups organise themselves. It isn't financial, tax or legal advice — rules for savings groups differ by country, so check with a qualified adviser for your situation.