Singapore citizenship
for permanent residents · Official name: Application for Singapore Citizenship (Immigration & Checkpoints Authority)
Singapore permanent residents can apply to the Immigration & Checkpoints Authority (ICA) for citizenship. The main groups are: PRs aged 21 or over who have been PR for at least 2 years (no sponsor needed, and they can include a PR spouse and unmarried children under 21); PRs married to a Singapore citizen for at least 2 years who have been PR for at least 2 years (sponsored by the spouse); children of citizens; PR students who meet residence and exam conditions; and aged parents of citizens. ICA weighs family ties, economic contribution, qualifications, age, family profile and length of residence. Most applications are decided within 12 months.
1 entry rule for Singapore based on recent travel
These apply to people who were recently in certain countries. Sign in and add your trips to see whether any apply to you.
Yellow fever certificate needed after a stay in countries with risk of yellow fever transmission (WHO list) in the last 6 days
Anyone, including Singapore residents, who was in a yellow fever risk country in the 6 days before arrival (or transited for more than 12 hours) must show a valid certificate or face 6 days' quarantine. Without one: quarantine under the Infectious Diseases Act for 6 days from departure from the risk country, at a government quarantine facility; non-residents who refuse are denied entry.
Communicable Diseases Agency (Singapore): Yellow fever ICA Singapore: Yellow Fever Vaccination Certificate WHO International Travel and Health, Annex 1: Countries with risk of yellow fever transmission and countries requiring proof of vaccination against yellow fever (18 Nov 2022, revised 3 Jan 2023) WHO ITH Country List: Vaccination requirements and WHO recommendations for international travellers, 2022 edition (18 Nov 2022, revised 3 Jan 2023) Checked October 19, 2026
Life in Singapore
Finance
3
Currency
Singapore Dollar
SGD
Singapore Dollar
Cost of living
78
Price level · US = 100
World Bank price levels, 2025
Tax
2–24%
Income tax (national)
GST 9%
Top 24% rate applies to chargeable income above SGD 1,000,000 (YA 2024 onwards).
Living
1
Happiness
#34 of 145 countries
World Happiness Report 2025
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Who it’s for
Singapore permanent residents and their families, and children of Singapore citizens.
Eligibility
PR aged 21 or over
Sign in to check this route against your profileYou need to have been a permanent resident for at least 2 years; no sponsor is needed.
- Applies to PRs aged 21 or over
- A PR spouse can be included
- Unmarried children under 21 can be included
Official wording
Permanent resident for at least 2 years. No sponsor needed; a PR spouse and unmarried children under 21 can be included.
Spouse of a citizenSpouses
Sign in to check this route against your profileYou need 2 years as a PR and 2 years of marriage to a Singapore citizen, who sponsors you.
- PR for at least 2 years
- Married to a citizen for at least 2 years
- The citizen spouse is the sponsor
Official wording
PR for at least 2 years and married to a Singapore citizen for at least 2 years; the citizen spouse sponsors.
Child of a citizenChildren
Sign in to check this route against your profileYou must be unmarried, under 21, and born within a legal marriage to, or legally adopted by, a Singapore citizen.
- The citizen parent sponsors the application
Official wording
Unmarried, under 21, born within a legal marriage to, or legally adopted by, a Singapore citizen; the citizen parent sponsors.
A sneak peek at what's inside
- Next requirement
- Document checklist
- Fees
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- 2 more requirements
- 2 documents
- 3 fees
- 4 steps
- Processing times and conditions
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