The Statistics and Census Service (DSEC) sends the 2011 Population Census questionnaires and respective documents to be destroyed at the Macao Incineration Plant on 21 June 2012.

Data collection of the 2011 Population Census was conducted in August 2011. In accordance with Article 14 of the Administrative Regulation 15/2011, questionnaires of the 2011 Population Census have to be destroyed within one year after data collection. Following the publication of the detailed results, about 200,000 questionnaires and documents containing data on individuals, households and building units are sent to the Macao Incineration Plant on 21 June 2012 to be destroyed under the close supervision of the DSEC staff.