Nationality of Singapore: all obtaining pathways
Singapore requires two years as a permanent resident for ordinary naturalization — plus two years of marriage on the spousal route — though granting is notoriously selective. Descent is transmitted by ius sanguinis and the country requires renunciation of the previous nationality.
1Naturalization by permanent residence
Naturalization by permanent residence
Requirements
- Permanent Resident (PR) of Singapore for ≥2 YEARS (ICA official eligibility criteria)
- Aged 21 and above
- Online application via ICA e-Service with Singpass (together with PR spouse and unmarried children under 21 of the legal marriage or adopted)
- The grant is DISCRETIONARY with the Government; adults must renounce the former nationality
- Good conduct, means of support and intent to settle (ICA criteria)
Documentation
- Citizenship application form (via the ICA e-Service with Singpass)
- Permanent resident identity card (blue IC)
- Foreign passport
- Employment and income certificate (CPF statements)
- Singapore tax returns
- Criminal record certificate
- Certificate of renunciation of the previous nationality (when formalities are completed)
2Naturalization by marriage to a Singaporean national
Naturalization by marriage to a Singaporean national
Requirements
- PR for ≥2 YEARS (ICA)
- Married to a Singapore citizen for ≥2 YEARS (ICA)
- The citizen spouse sponsors the application with Singpass
- Discretionary grant; same general ICA criteria (conduct, means, integration)
Documentation
- Marriage certificate
- Spouse's Pink IC (identity card)
- Applicant's PR card
- Sponsoring spouse's declarations via Singpass
3Citizenship for children of nationals (ius sanguinis)
Citizenship for children of nationals (ius sanguinis)
Requirements
- Child born abroad of at least one Singaporean citizen parent
- The biological mother is a Singaporean citizen, or the father is a citizen and is married to the biological mother
- Registration with the ICA
- Male children are subject to National Service (NS)
Documentation
- Birth certificate from the country of origin
- Parent's Singapore passport
- Parent's Pink IC
- Overseas birth registration form
4Registration of children of citizens and other ICA routes: PR student and aged parent
Registration of children of citizens and other ICA routes: PR student and aged parent
Requirements
- Unmarried child under 21 born within a legal marriage to a citizen, or legally adopted — citizen parent sponsors (ICA)
- PR STUDENT: residing in Singapore >3 YEARS (≥1 as PR) + passed at least one national exam (PSLE, GCE N/O/A) or in the Integrated Programme (ICA)
- AGED PARENT: PR and parent of a Singapore citizen aged ≥21 who sponsors (ICA)
- All registration/naturalisation routes are DISCRETIONARY with the Government
Documentation
- Legal adoption certificate or birth certificate
- Adoptive parent's or father's Pink IC or blue IC
- The minor's passport
Frequently asked questions about the nationality of Singapore
How many years of residence does Singapore require to naturalize?
According to the main pathway of Singapore (Naturalization by permanent residence), the term is 2 years as a PR. The complete details of requirements and exceptions appear in the fact sheet.
Does Singapore allow dual nationality?
The grant is DISCRETIONARY with the Government; adults must renounce the former nationality
Can the nationality of Singapore be obtained by marriage?
Yes, through the Naturalization by marriage to a Singaporean national pathway (2 years as a PR + 2 years of marriage). The complete requirements appear in the fact sheet of that pathway.
What documentation does naturalization in Singapore require?
The Naturalization by permanent residence pathway requires: Citizenship application form (via the ICA e-Service with Singpass); Permanent resident identity card (blue IC); Foreign passport; Employment and income certificate (CPF statements); Singapore tax returns; among 2 more documents.
What pathways exist to obtain the nationality of Singapore?
Singapore provides 4 pathways: Naturalization by permanent residence, Naturalization by marriage to a Singaporean national, Citizenship for children of nationals, Registration of children of citizens and other ICA routes: PR student and aged parent.
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