Sri Lanka. History First Population & Housing Census : 1871 139 years ago Last Population...

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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

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