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Investing in Singapore: CPF, SRS and Growing Your Wealth Beyond the Basics

A comprehensive guide for Singapore investors covering CPF OA/SA, CPF-IS, SRS tax savings, STI ETF, robo-advisors, and Singapore Savings Bonds.

1 May 2025 7 min read

Understanding Your CPF Accounts

The Central Provident Fund is the backbone of Singapore's retirement system. As an employee, 20% of your wages (up to the monthly salary ceiling of S$6,800 from 2025) goes into CPF, with your employer contributing a further 17% (for employees below 55).

Your CPF is split into three accounts:

AccountInterest RatePurpose

|---------|--------------|---------|

Ordinary Account (OA)2.5% p.a.Housing, education, investment
Special Account (SA)4.0% p.a.Retirement savings
MediSave Account (MA)4.0% p.a.Healthcare

The first S$60,000 in combined CPF balances earns an extra 1% p.a. interest. SA's guaranteed 4% makes it one of the most attractive "safe" assets available to Singaporeans β€” before you invest OA funds elsewhere, consider whether the alternative genuinely beats a risk-free 4%.

CPF Investment Scheme (CPF-IS)

You can invest your OA balance (amounts above S$20,000) and SA balance (amounts above S$40,000) through the CPF Investment Scheme. Approved instruments include unit trusts, ETFs, Singapore Government Securities, and gold.

Key rule: Only invest OA if you can realistically beat 2.5% net of fees. Most actively managed funds do not. Good CPF-IS choices include:

  • Nikko AM Singapore STI ETF (TER ~0.30%) β€” tracks the Straits Times Index
  • Lion-OCBC Securities HSBC MSCI Singapore ETF (TER ~0.17%)
  • Endowus β€” manages CPF funds in globally diversified portfolios at low cost

SRS: Tax Deferral Worth Using

The Supplementary Retirement Scheme lets Singapore Citizens and PRs contribute up to S$15,300 per year (foreigners: S$35,700). Every dollar contributed reduces your taxable income for that year.

If you earn S$120,000, contributing S$15,300 to SRS reduces your chargeable income to S$104,700, saving roughly S$2,754 in taxes at current rates. Invested over 20 years, this compounding head-start is substantial.

Withdrawals from age 62 are taxed at 50% of the withdrawn amount β€” meaning only half is assessable as income, and the first S$20,000 of chargeable income is already taxed at 0%.

SRS investment options: You can invest SRS funds in Singapore-listed ETFs, REITs, unit trusts, and SGS bonds. Endowus and Syfe both support SRS investing.

STI ETF and Singapore-Listed ETFs

The Straits Times Index covers the 30 largest Singapore-listed companies. Two low-cost options:

ETFTERExchange

|-----|-----|----------|

Nikko AM Singapore STI ETF (G3B)0.30%SGX
SPDR STI ETF (ES3)0.30%SGX

The STI is heavily weighted toward banks (DBS, OCBC, UOB make up ~45%). For geographic diversification, consider the Lion-OCBC Securities Hang Seng Tech ETF or global ETFs through a brokerage like Interactive Brokers.

Robo-Advisors: The Easy Path to Global Diversification

Three leading robo-advisors in Singapore each offer slightly different propositions:

PlatformApproachMin. InvestmentFees

|----------|----------|-----------------|------|

StashAwayRisk-indexed, global ETFsS$00.2–0.8% p.a.
SyfeCore (global index), REIT+, selectS$00.35–0.65% p.a.
EndowusCPF, SRS, and cash β€” evidence-basedS$1,000 (cash)0.25–0.60% p.a.

Endowus is particularly strong for CPF and SRS investing. Syfe's Core Equity100 and StashAway's General Investing portfolios suit cash investors seeking broad global exposure.

Singapore Savings Bonds

Singapore Savings Bonds (SSBs) are government-backed, can be redeemed with no penalty after any month, and currently offer around 2.5–3.1% p.a. (step-up structure, average 10-year yield). Apply through DBS/OCBC/UOB ATMs or internet banking. Maximum S$200,000 per person. They function as a superior alternative to fixed deposits for your short-to-medium term savings.

Suggested Framework for a Singapore Investor

  • Maximise SA contributions and voluntary CPF top-ups (4% guaranteed)
  • Contribute to SRS each year for the tax deduction
  • Invest SRS via Endowus in a globally diversified portfolio
  • For extra cash savings: SSBs for stability, robo-advisor for long-term growth
  • Review CPF-IS only if you have a large OA balance and a specific, low-cost ETF strategy

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