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Page 1: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Sri Lanka

Page 2: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

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

Page 3: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

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

Page 4: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Mapping

MaMaps used for Population and Housing Census - 2001

Page 5: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

MappingOne Inch Map (1:63,360)

Page 6: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Issues in Manual Census Block Mapping

Time Consuming

Not Accurate

Difficult to Integrate

Lack of update maps

Page 7: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Mapping Satellite Photograph

Page 8: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Mark GN Boundary

Page 9: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Area covered by Satellite Pictures Not clear Satellite

Pictures Not covered entire Sri Lanka

Issues in Satellite Pictures

Page 10: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Using GPS

Page 11: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Issues in Digital Census Block Mapping

Lack of GPS equipment

Lack of experience officers

High equipment cost

Page 12: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Enumeration Procedures

Usual practice (manual enumeration)Visit households to obtain informationCensus schedule is field for each

household

Web base enumeratione-Census

Page 13: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

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

Page 14: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Manual data entry (Key-to-Disk)Large number of staffLarge SpaceDelays in data processing

Image based form processing technologyOMROCR/ICR

Data capture

Page 15: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

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

Page 16: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

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)

Page 17: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Issues in Industrial & Occupational Coding

There are many options to consider

Not clear description

Native language response

Page 18: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

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

Page 19: Sri Lanka. History  First Population & Housing Census : 1871  139 years ago  Last Population & Housing Census : 2001  After a lapse of 20 years

Thank You