1. 3. IPUMS Documentation Dynamic Metadata System: 5 “clicks” to compare any census question, in English, for any combination of years and countries in the database 3 “clicks” to view images of original source documentation—census forms and instructions—in the official language (or English translation)

2. Click 1: https://international.ipums.org

3. Click 2: “variables”

4. Click 3: Countries and census years

5. Click 3: Select countries and census years; then, submit sample selections

6. Click 4: chose a variable (e.g., educational attainment)

7. Before clicking, scroll down to see comparability discussion

8. Click 5: “enumeration text”

9. By clicking “enumeration text”, compare text of enumeration form and instructions for Educational Attainment

10. For variable availability, click variable name (X = variable available for this census)

11. For sample counts, click case count view (careful: these are unweighted counts)

12. For complex variables, click “detailed codes”

13. For sample counts, click “case count view” (careful: these are unweighted counts)

14. For images of original source documents, 2 clicks from IPUMS home page: click 1: “Census Questionnaires”

15. For images of original source documents, 2 clicks from IPUMS home page: click 1: “Census Questionnaires” click 2: country, census year, document