Residence
2 yrs
Via marriage
~2 yrs
By descent
Parent
Dual citizenship
Not allowed
Naturalisation by residence
You must be a permanent resident for at least 2 years (in practice often 2–6 years) before applying; approval is selective.
Through marriage
Spouses of Singapore citizens can apply after 2 years of marriage and residence.
By descent (ancestry)
Children born abroad to a Singaporean parent can be registered as citizens by descent.
Language & tests
No formal test; integration is assessed.
Dual citizenship
Singapore does not allow dual citizenship for adults.
Investment
The Global Investor Programme grants permanent residence, not citizenship.
Frequently asked questions
How many years does it take to get Singapore citizenship?
The standard requirement is 2 years. You must be a permanent resident for at least 2 years (in practice often 2–6 years) before applying; approval is selective.
Does Singapore allow dual citizenship?
Not allowed. Singapore does not allow dual citizenship for adults.
Can I get Singapore citizenship through marriage?
Spouses of Singapore citizens can apply after 2 years of marriage and residence.
Can I get Singapore citizenship through my parents or grandparents?
Children born abroad to a Singaporean parent can be registered as citizens by descent.
This guide is general information, not legal advice. Requirements change and individual circumstances matter; confirm with ICA – Citizenship or a qualified immigration lawyer before applying.