This paper describes the data processing methodology adopted for Nigeria’s Population and Housing Census 2006. It particularly focuses on data capture and first level editing carried out at the Data Processing Centres (DPCs) using Intelligent Character Recognition (ICR) and Optical Character Recognition (OCR) technology. It briefly touches on second level editing at the Data Validation Unit (DVU) based at National Population Commission (NPopC) headquarters, Abuja.

Paper presented at Regional Workshop on Census Data Processing: Contemporary technologies for data capture, methodology and practice of data editing, Dar es Salaam, Tanzania, 2008.