CPF Special Account (SA) Interest Rate 2026 Singapore: Complete Guide
The CPF Special Account (SA) was a key component of Singapore retirement savings, earning the highest base interest rate among CPF accounts. In 2025, the CPF Board closed the SA for members below age 55 as part of a retirement system restructuring. Understanding the SA interest rate history and its implications remains important for Singaporeans. This is not financial advice.
CPF Special Account Interest Rate (Historical)
| Year | SA Interest Rate | Notes |
|---|---|---|
| 2020-2022 | 4.0% p.a. | Floor rate maintained |
| 2023 | 4.08% p.a. (Q1-Q2) | Above floor briefly |
| 2024 | 4.0-4.05% p.a. | Near-floor |
| 2025 (pre-closure) | 4.0% p.a. | SA closed for members below 55 in early 2025 |
How CPF SA Interest Was Calculated
The SA interest rate was pegged to the 12-month fixed deposit and savings rates of major local banks, subject to a guaranteed floor of 4% per annum. The first S0,000 of combined CPF balances (up to S0,000 from OA) earned an extra 1% per annum — effectively giving SA balances a 5% return up to that threshold.
The SA Closure in 2025 and What Happened to Balances
From early 2025, Singaporeans below age 55 had their CPF Special Account closed. SA balances up to the current FRS were earmarked for transfer to the RA at 55. Excess SA funds above the FRS were transferred to the OA. The RA earns the same 4% floor interest as the former SA, preserving the retirement savings function. Members can no longer perform OA-to-SA transfers or use the CPF SA Shielding strategy.
What Members Should Do Now
With the SA closed, members below 55 focus on building OA and MediSave balances while making voluntary CPF top-ups to the RA via RSTU if 55 or older. For those below 55, SRS contributions and CPFIS investment of OA funds in diversified assets such as Singapore REIT ETFs or direct S-REITs can supplement the guaranteed CPF OA return of 2.5%. Use our CPF OA SA Allocation Calculator to model optimal allocation.