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Sri Lanka
History First Population & Housing Census : 1871
139 years ago
Last Population & Housing Census : 2001 After a lapse of 20 years Cover 85% of country Base on De facto method
Next Population & Housing Census : 2011 After a lapse of 30 years Cover 100% of countryBase on De jure method
ICT application
Mapping Create census block maps
Enumeration procedure e-Census
Computer Assisted Manual Coding Industrial Classification Occupational Classification
Data Processing Scan and Data capture from questionnaire Data editing & Tabulation
Mapping
MaMaps used for Population and Housing Census - 2001
MappingOne Inch Map (1:63,360)
Issues in Manual Census Block Mapping
Time Consuming
Not Accurate
Difficult to Integrate
Lack of update maps
Mapping Satellite Photograph
Mark GN Boundary
Area covered by Satellite Pictures Not clear Satellite
Pictures Not covered entire Sri Lanka
Issues in Satellite Pictures
Using GPS
Issues in Digital Census Block Mapping
Lack of GPS equipment
Lack of experience officers
High equipment cost
Enumeration Procedures
Usual practice (manual enumeration)Visit households to obtain informationCensus schedule is field for each
household
Web base enumeratione-Census
e-Census
e-Census (pilot project)
Offer to people in urban areasHouseholds are give their consent at
the listing operationPassword protected to safeguard
confidentiality of dataProtect from hackers
Manual data entry (Key-to-Disk)Large number of staffLarge SpaceDelays in data processing
Image based form processing technologyOMROCR/ICR
Data capture
Need to evaluate the procedures carefully
Design of the questionnaire Quality of printed questionnaires training to enumeration about the clarity of writing Selection of technology
Issues in Data capture
Computer Assisted Manual Coding
Standard Industrial Classification International Standard Industrial
Classification of All Economic Activities (ISIC)
Standard Occupational Classification International Standard Classification of
Occupations (ISCO)
Issues in Industrial & Occupational Coding
There are many options to consider
Not clear description
Native language response
Computer Editing and Imputations
Last census Error print-outs were obtained and
corrected Manually Fixed the errorsThis procedure leads to delays in
releasing the timely data
Next censusOn-line editing to improve the efficiency Imputation procedures to be explored
Thank You