IPUMS-International: August 2007IPUMS-International: August 2007

http://international.ipums.org * * ** * *

Robert McCaa, Professor of Population HistoryRobert McCaa, Professor of Population HistoryUniversity of MinnesotaUniversity of Minnesotarmccaa@umn.edu

additional information at:additional information at:www.hist.umn.edu/~rmccaa/ipums-globalwww.hist.umn.edu/~rmccaa/ipums-global

““I have recently taken on a new job at I have recently taken on a new job at [an international organization] and will be [an international organization] and will be

supporting the developing countries in supporting the developing countries in carrying out their censuses. I am therefore carrying out their censuses. I am therefore interested to understand more about what interested to understand more about what data have been collected in the past across data have been collected in the past across

countries.”countries.”

--application #1759--application #1759, , ipums.org/international

OutlineOutline

» 1. Welcome, Introductions1. Welcome, Introductions

» 2. Workshop goals2. Workshop goals

» 3. Update: partners 3. Update: partners

» 4. Brief over-view of project4. Brief over-view of project

1. Welcome 1. Welcome » Delegates: Delegates:

» Africa:Africa: Benin, Ethiopia, Ghana, Mauritius, Sudan, TanzaniaBenin, Ethiopia, Ghana, Mauritius, Sudan, Tanzania» Asia:Asia: Bangladesh, India, Indonesia, Malaysia, Mongolia, ThailandBangladesh, India, Indonesia, Malaysia, Mongolia, Thailand» Americas:Americas: Colombia, Cuba, Haiti, Saint LuciaColombia, Cuba, Haiti, Saint Lucia» Europe: Europe: Germany, TurkeyGermany, Turkey» International:International: CELADE, UNFPA, DRSCELADE, UNFPA, DRS» MPC:MPC: USA, IndiaUSA, India

» OrganizationOrganization» Per diem: sponsored delegates paid in EurosPer diem: sponsored delegates paid in Euros» Hotel: pay bill in advance Hotel: pay bill in advance » Transport:Transport: bus #56bus #56» Congress center: obtain credential and satchelCongress center: obtain credential and satchel

» Program (see handout)Program (see handout)» Today: 13:15-15:15 Hotel Alif; Congress CenterToday: 13:15-15:15 Hotel Alif; Congress Center» Tomorrow: Congress CenterTomorrow: Congress Center» Friday: Congress CenterFriday: Congress Center» Saturday: INE offices Saturday: INE offices

2. Workshop goals 2. Workshop goals 1.1. Assemble microdata and documentation for each Assemble microdata and documentation for each

census and countrycensus and country2.2. Report on the census microdata available to the IPUMS Report on the census microdata available to the IPUMS

project and briefly discuss major harmonization issues project and briefly discuss major harmonization issues for each country, census-by-census, question-by-for each country, census-by-census, question-by-question, concept-by-concept, code-by-code. For an question, concept-by-concept, code-by-code. For an example please see: example please see: http://www.hist.umn.edu/~rmccaa/ipums-europe/austria/austria_workshop_report.pdf

3.3. Discuss methodologies and procedures of the IPUMS Discuss methodologies and procedures of the IPUMS projectproject

4.4. Address questions and concerns regarding any aspect Address questions and concerns regarding any aspect of the projectof the project

3. Partners: IPUMS-International, August 3. Partners: IPUMS-International, August 20072007

dark greendark green = = disseminating (26 countries, 80 disseminating (26 countries, 80 censuses, 200mpr)censuses, 200mpr)

green = harmonizing (34 countries, 95 censuses, green = harmonizing (34 countries, 95 censuses, 190mpr)190mpr)

lightest greenlightest green = negotiating = negotiating

Mollweide projection

Overview of project: GoalsOverview of project: Goals

• IPUMS is a global partnership to IPUMS is a global partnership to (1) preserve census microdata and (1) preserve census microdata and documentation,documentation,(2) integrate census microdata samples, and(2) integrate census microdata samples, and(3) disseminate anonymized sample extracts to (3) disseminate anonymized sample extracts to researchers and policy makers, at no cost—researchers and policy makers, at no cost—regardless of country of birth, residence or regardless of country of birth, residence or citizenshipcitizenship

IPUMS: Internationally integrated, anonymized sample IPUMS: Internationally integrated, anonymized sample extracts: extracts: https://www.ipums.org/international

» Note: original source files are never accessible to researchersNote: original source files are never accessible to researchers» Extracts of census microdata samples are accessible free-of-Extracts of census microdata samples are accessible free-of-

charge to qualified users on a restricted access basis charge to qualified users on a restricted access basis » Data are governed by a uniform Memorandum of Data are governed by a uniform Memorandum of

Understanding endorsed by the National Statistical Office Understanding endorsed by the National Statistical Office before work begins (70 countries have joined)before work begins (70 countries have joined)

» Project pays $1/5,000 per census for data, docs, and licenseProject pays $1/5,000 per census for data, docs, and license

» 2-3 years of work (done by MPC) to integrate data2-3 years of work (done by MPC) to integrate data» Full source documentation; metadata for statistical packagesFull source documentation; metadata for statistical packages» >2,000 users: over 50 countries, more than 300 institutions >2,000 users: over 50 countries, more than 300 institutions » Sustained funding: National Science Foundation and National Sustained funding: National Science Foundation and National

Institutes of Health of the USA Institutes of Health of the USA

- Warning -- Warning -

• IPUMS microdata are anonymized samples.IPUMS microdata are anonymized samples.– They are for advanced analysis and research. They are for advanced analysis and research. – Use of a statistical software is required.Use of a statistical software is required.– Statistical software provides great power.Statistical software provides great power.– “ “With great power, comes great responsibility.”With great power, comes great responsibility.”

• IPUMS samples are for analysis; they are not IPUMS samples are for analysis; they are not official statistics.official statistics.

Summary of Project MilestonesSummary of Project Milestones

» Endorsed Memorandum of Understanding: Endorsed Memorandum of Understanding: 72 National Statistical Offices (NSOs)72 National Statistical Offices (NSOs)

» Entrusted Census Microdata and Documentation: Entrusted Census Microdata and Documentation: 65 NSOs, 184 censuses65 NSOs, 184 censuses

» Now accessible: samples for 26 countries, 80 censuses, Now accessible: samples for 26 countries, 80 censuses, 200 million person records (at no cost from: 200 million person records (at no cost from: ipums.org/international)ipums.org/international)

http://International.ipums.orghttp://International.ipums.org

6 steps6 steps usingusing ipums.org/international:ipums.org/international:

1. Logon 1. Logon w/ passwordw/ password

2a. Study documentation2a. Study documentation2b. Submit extract2b. Submit extract

3. Receive email; 3. Receive email; logon with p/wordlogon with p/word

4. Download 4. Download extract (SSL extract (SSL encrypted)encrypted)

5. UnZip data5. UnZip data

(also SAS, (also SAS, STATA) STATA)

6. Analyze6. Analyze

Data AccessData Access

Thank youThank you