Do I have to declare narcotics and psychotropic substances at Singapore customs?

There is nothing to declare — narcotics and psychotropic substances cannot be brought in at all. Declaring it does not make it admissible; it hands it over.

What happens if I do not declare narcotics and psychotropic substances in Singapore?

Under Goods and Services Tax, if you declare the excess yourself: the normal duty becomes payable on the excess. Under Customs Act 1960, section 128L, if it is treated as smuggling: it is prosecuted as a criminal offence. Under Customs Act 1960, section 124, if the goods are found without being declared: the goods are confiscated.

Can I post or ship narcotics and psychotropic substances to Singapore instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you is outside this allowance.

Can I take narcotics and psychotropic substances out of Singapore?

Singapore publishes no separate rule for taking narcotics and psychotropic substances out; the destination's rules are what will apply.

Does the Singapore limit for narcotics and psychotropic substances apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

Singapore Customs states it in Customs Guide for Travellers. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “The list of goods that are NOT allowed to be brought into Singapore includes (but is not limited to): Controlled drugs & psychotropic substances”

How does Singapore compare with other countries on narcotics and psychotropic substances?

Of the 20 countries covered here, 12 prohibit narcotics and psychotropic substances, 8 limit it and 0 let it through. Singapore is among the strictest.

How much Narcotics and psychotropic substances can I bring into Singapore?

Prohibited

You cannot bring Narcotics and psychotropic substances into Singapore.

Carried Not allowed

Declaration Required — surrender

Limit No stated quantity

What you need to know

No stated quantity
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Customs Guide for Travellers Singapore Customs

Questions about Narcotics and psychotropic substances in Singapore

How many narcotics and psychotropic substances can I bring into Singapore?: narcotics and psychotropic substances may not be brought into Singapore at all. The allowance is per traveller and cannot be pooled between people.
Do I have to declare narcotics and psychotropic substances at Singapore customs?: There is nothing to declare — narcotics and psychotropic substances cannot be brought in at all. Declaring it does not make it admissible; it hands it over.
What happens if I do not declare narcotics and psychotropic substances in Singapore?: Under Goods and Services Tax, if you declare the excess yourself: the normal duty becomes payable on the excess. Under Customs Act 1960, section 128L, if it is treated as smuggling: it is prosecuted as a criminal offence. Under Customs Act 1960, section 124, if the goods are found without being declared: the goods are confiscated.
Can I post or ship narcotics and psychotropic substances to Singapore instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you is outside this allowance.
Can I take narcotics and psychotropic substances out of Singapore?: Singapore publishes no separate rule for taking narcotics and psychotropic substances out; the destination's rules are what will apply.
Does the Singapore limit for narcotics and psychotropic substances apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: Singapore Customs states it in Customs Guide for Travellers. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “The list of goods that are NOT allowed to be brought into Singapore includes (but is not limited to): Controlled drugs & psychotropic substances”
How does Singapore compare with other countries on narcotics and psychotropic substances?: Of the 20 countries covered here, 12 prohibit narcotics and psychotropic substances, 8 limit it and 0 let it through. Singapore is among the strictest.

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