Sampled households will receive a unique set of reference number and activation code in the notification letter received. Households only need to simply scan the QR code on the notification letter, and they will directly enter the . The required reference number and activation key will be automatically filled in to save the manual input effort.
Households can use the mobile number or email address to receive the one-time password to activate new questionnaire and log in to the online questionnaire.
You can also search “2026 Population Census Online Questionnaire” in “iAM Smart” to register and use the online questionnaire through “iAM Smart”.
If you need assistance in filling in the online questionnaire, please call the Census Hotline 18 2026 or visit the Enquiry and Support page for assistance.
For more details, please refer to the leaflet of “Simple Steps to Use Online Questionnaire (OQ)” enclosed in the notification letter or the User Quick Guide.