The North Atlantic Population Project

Evan Roberts, Steven Ruggles, Lisa Y. Dillon, Ólöf Gardarsdóttir, Jan Oldervoll, Gunnar Thorvaldsen, Matthew Woollard

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


The North Atlantic Population Project (NAPP) brings together complete-count census data from late-nineteenth-century Canada, Great Britain, Iceland, Norway, and the United States into a single harmonized database. When released in 2005, the final version of the database will include the records of nearly 90 million people. The project will consistently code all variables across the different countries, while still retaining important national variation in census questions and responses. The authors provide a brief history of the project, discuss the main issues involved in creating a harmonized international census database, and outline the methodological and research opportunities the completed database will provide for scholars.

Original languageEnglish (US)
Pages (from-to)80-88
Number of pages9
JournalHistorical Methods
Issue number2
StatePublished - Mar 2003

Bibliographical note

Funding Information:
5. Funding for the initial data cleaning and coding has come from a wide variety of sources. In Great Britain, the sources of funding include the Economic and Social Research Council, the Leverhulme Trust, and the University of Essex Research Promotion Fund; in Canada, the Social Sciences and Humanities Research Council, the Harold Crabtree Foundation, the Church of Jesus Christ of Latter-day Saints (LDS), and the University of Ottawa Research Partnerships Programme; in Norway, the Norwegian Research Council, the Norwegian National Archives, and the Faculty of Social Sciences of the University of Tromsg; and in the United States, the National Science Foundation and the National Institutes of Health.


  • Census
  • Harmonization
  • Microdata
  • North atlantic population project (NAPP)


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