1. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Results Generated from the Questionnaire Disseminated Prior to the Workshop

2. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 The Objective of the Questionnaire To better understand census evaluation activities at the country level To facilitate the sharing of experience on methods of census evaluation among countries in the region

3. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Was PES conducted for 2000 census Yes : 6 No: 8  4 countries did PES for pre-2000 censuses  2 countries did not return the questionnaire All countries involve National statistical/population census offices in planning and conducting PES 6 countries where PES team different from census team (Australia, Bolivia, Brazil, Ecuador, Honduras, Peru) 3 countries used same team for planning census & PES (Panama, Uruguay, Venezuela)

4. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Funding Planned as part of the census programmed in all countries except Venezuela Funding adequate in 6 countries (Australia, Bolivia, Brazil, Honduras, Panama, Venezuela)

5. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Objectives of PES Census coverage Characterize missed or over-counted individuals Estimate undercount for use in estimating official resident population Learn quality of information collected – content error Establish ways to correct erroneous census information

6. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Institutions responsible for PES and staff used National statistical office involved in all countries PES team different from census team in all countries except 4 (Panama, Paraguay, Uruguay, Venezuela)

7. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Recruitment and training of PES staff Three countries selected enumerators and supervisors directly from those used in census (Ecuador, Honduras, Uruguay) Permanent staff used as supervisors in Australia and Uruguay Selection criteria includes:  Location, experience, academic qualification  Recruitment examination Training periods: 1-7 days

8. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 PES sampling designs Multi-stage, stratification, approaches Design stages: 1-3 (mostly 2) – Australia: Three stages – Bolivia: Two stages with sampling proportional to size – Brazil, Peru: Two stages – Ecuador, Panama: Two-stages with stratification – Honduras, Paraguay, Uruguay: Stratification (one stage only)

9. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Sample size for 1 st stage units In many cases EAs were the primary sampling units Range of sample sizes  60 EAs in Honduras and 5000 EAs in Australia  1% of EAs in Uruguay and 20% of EAs in Panama  27642 individuals from 7340 households in Paraguay

10. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Domains of analysis Wide range of domains used – National; Rural; Urban – Other domains  States/territories, region/province  Age, sex, marital status, urban/rural, cities  indigenous status, country of birth

11. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Matching methods and documentation of rules Matching method – Manual: 5 (Australia, Brazil, Honduras, Panama, Paraguay) – Computer: 1 (Bolivia) – Combination: 3 (Ecuador, Peru, Uruguay) Documentation of rules – Yes:6 (Australia, Brazil, Ecuador, Honduras, Paraguay, Peru) – No: 3 (Bolivia, Panama, Uruguay)

12. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Field reconciliation visits Yes: 4 (Australia, Brazil, Ecuador, Honduras) No: 4 (Panama, Paraguay, Peru, Uruguay) Unknown: Venezuela

13. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Coverage rate only (2 countries – Ecuador, Honduras) Net coverage rate (2 country – Paraguay, Peru) Coverage & net coverage rate (2 countries – Australia, Brazil) Omission rate (1 country - Bolivia) Panama did not calculate due to problems in methodology Some of the coverage measures used were

14. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 For content analysis the following were considered Estimating undercount and over-count by a variety of demographic categories Counts of misclassification between categories Rate of net difference Index of gross change Index of net change Percentage of identically classified Error of content Agreement

15. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Producing report to inform lay users Planned to produce reports for lay users (5 countries - Australia, Bolivia, Brazil, Paraguay, Peru) Not planned to produce reports (Ecuador, Honduras, Panama, Uruguay) All countries that planned to produce reports did so Most countries 4-10 months from date of data collection to publication of PES report The longest period to produce report was taken by Ecuador (about 2 years)

16. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Different interviewers and supervision arrangements (Australia, Brazil) No lists created in Census used in PES selection or interviewing processes Independent planning and execution (Bolivia, Ecuador, Honduras, Peru) Confidentiality on PES sample area (Brazil) Different periods (Uruguay) To achieve independence for PES:

17. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Highlight of lessons learned Australia: evaluated the potential for computer matching  To be introduced in the next round (subject to successful development) Bolivia: Methodology verification Brazil: Improve cartography and supervision; undercount rates are used in the next PES sample design Ecuador: Improve capacity and using imputation techniques

18. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Highlight of lessons learned (continued) Honduras: Need for adequate capacity, independence, budget and logistical support Paraguay: Need for a separate budget, representative sample for each district and some outsourcing Peru: Need for larger PES coverage and budget Uruguay: Independence, high quality personnel, enough time and budget

19. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 6 countries are planning to do PES (Australia, Brazil, Ecuador, Honduras, Paraguay, Uruguay) 5 countries are not planning to do PES (Bolivia, Chile, Costa Rica, Panama, Peru) Will measure coverage using demographic methods (Costa Rica) PES for 2010 round

20. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Provide an independent check on Census coverage Identify characteristics of persons missed or over-counted Produce estimates of undercount for use in estimating the resident population Estimate content error (quality of information) Measure coverage and quality of information at province level and other domains Use results to correct census results, calculate population projections Some of the objectives mentioned for PES for 2010 round

21. United Nations Regional Workshop on the 2010 World Programme on Population and Housing Censuses: Census Evaluation and Post Enumeration Surveys Asunción, Paraguay, 3-7 August 2009 Thank You END