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Marianne Tønnessen

Marianne Tønnessen

Job title
  • research professor
Visiting address
  • Holbergs gate 1, 0166 Oslo
  • Office number: HG455
Phone
  • Mobile: +47 926 93 400
  • Office: +47 672 36 013
E-mail
  • marianne.tonnessen@oslomet.no
Affiliation

About

Tønnessen is an economist with a Ph.D. in demography from the University of Oslo. Her research fields include immigration and emigration, demographic consequences of migration, as well as regional population development and domestic migration. She has also been a Fulbright student at Princeton University, head of the Norwegian population projections in the research department of Statistics Norway, and a researcher in demography at Stockholm University.

Field of study

Population development   Demography   Population geography   Demography   Emigration   Population   Immigration   Etniske relasjoner   Work migration   International migration   Migration and family   Demographic change   Population projections   Migration

Research groups

Research projects

Ongoing research projects

  • PREMIUM EU

    Policy REcommendations to Maximise the beneficial Impact of Unexplored Mobilities in and beyond the European Union

Completed research projects

Publications and research

Scientific publications

Tønnessen, Marianne (2025). How Emigration Contributes to Less Urbanized Immigrant Populations. International Migration Review.
https://doi.org/10.1177/01979183251399145

Tønnessen, Marianne (2025). Which Nordic Countries Are the Most and Least Urban? The Muddling World of Urbanity Statistics. Journal of Official Statistics. Vol. 41.
https://doi.org/10.1177/0282423x251374214

Constant, Amelie F.; Syse, Astri; Tønnessen, Marianne (2025). Goodbye Norway: Top-Earners Selection Into Return and Onward Migration. Demography. Vol. 62.
https://doi.org/10.1215/00703370-12271149

Tønnessen, Marianne ; Constant, Amelie; Syse, Astri (2025). Who Emigrates From a Wealthy, Peaceful Country? And Who Comes Back? Evidence From Norway. Population, Space and Place. Vol. 31.
https://doi.org/10.1002/psp.70048

Skjerpen, Terje; Tønnessen, Marianne (2025). Try another municipality or leave the country? A disaggregated approach to determinants of internal migration and emigration for immigrants and natives in Norway. The annals of regional science. Vol. 74.
https://doi.org/10.1007/s00168-025-01362-w

Monti, Andrea; Tønnessen, Marianne (2024). Party penalty or party premium? ‘Party Swedes’ in Norway and their income before, during, and after migration. Population Studies.
https://doi.org/10.1080/00324728.2024.2409752

Tønnessen, Marianne ; Syse, Astri (2023). How much would reduced emigration mitigate ageing in Norway?. Vienna Yearbook of Population Research. Vol. 21.
https://doi.org/10.1553/p-g5fe-hafz

Tønnessen, Marianne (2022). Arbeidsmigrasjon inn til og ut av Agder. Meyer, Frank (Ed.). Arbeid, arbeidere og arbeiderbevegelse på Agder 1500-2020. p. 185-208. Cappelen Damm Akademisk.
https://doi.org/10.23865/noasp.180

Syse, Astri; Tønnessen, Marianne (2022). Flere eldre innvandrere blant framtidens brukere av omsorgstjenester. Tidsskrift for omsorgsforskning. Vol. 8.
https://doi.org/10.18261/tfo.8.2.2

Adsera, Alicia; Andersen, Synøve Nygaard; Tønnessen, Marianne (2022). Does One Municipality Fit All? The Employment of Refugees in Norway Across Municipalities of Different Centrality and Size. European Journal of Population. Vol. 38.
https://doi.org/10.1007/s10680-022-09618-3



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These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.

Textbooks

Leknes, Stefan; Løkken, Sturla Andreas Kise; Syse, Astri; Tønnessen, Marianne (2018). Befolkningsframskrivingene 2018: Modeller, forutsetninger og resultater. ISBN: 9788253797670. 156 p. Statistics Norway.
https://hdl.handle.net/11250/4756037



These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.

Research reports

Liodden, Tone ; Tønnessen, Marianne (2026). Utvandring fra Norge blant etterkommere av innvandrere. ISBN: 9788283094572. 77 p. By- og regionforskningsinstituttet NIBR.
https://hdl.handle.net/11250/5480426

Tønnessen, Marianne ; Liodden, Tone (2025). EXIT NORWAY - a research project about emigration from Norway, preliminary version. By- og regionforskningsinstituttet NIBR.
https://hdl.handle.net/11250/5329071

Tønnessen, Marianne ; Skjerpen, Terje (2025). EXITNORWAY POLICY BRIEF 8: Flytte innenlands eller til utlandet? Innvandreres og innfødtes forskjellige flyttemønstre. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/4114947

Tønnessen, Marianne ; Syse, Astri (2025). Hvem utvandrer fra Norge? Ti hovedtrekk for årene 2000-2023. 8 p. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/3199787

Tønnessen, Marianne (2024). EXITNORWAY POLICY BRIEF 6: Highest emigration rates from the capital. Regional differences in emigration from Norway. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/3977557

Tønnessen, Marianne ; Monti, Andrea (2024). EXITNORWAY POLICY BRIEF 7: ‘Partysvenskene’ – hvordan gikk det med dem etterpå?. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/3347023

Skjerpen, Terje; Tønnessen, Marianne (2024). Try Another Municipality or Leave the Country? A disaggregated approach to determinants of internal migration and emigration for immigrants and natives in Norway: Trinomial logit models with random effects. ISBN: 9788283094169. 52 p. Norsk institutt for by- og regionforskning.
https://hdl.handle.net/11250/3118527

Tønnessen, Marianne ; Staver, Anne Balke (2023). EXITNORWAY POLICY BRIEF 5: Utvandringspolitikk. Internasjonal forskning om utvandrings- og utvandrerpolitikk, og situasjonen for Norge. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/3850238

Tønnessen, Marianne ; Staver, Anne Balke (2023). Utvandringspolitikk. ISBN: 9788283093889. 38 p. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/3087014

Tønnessen, Marianne (2023). Bærekraftig befolkningsutvikling. ISBN: 9788283093957. 29 p. OsloMet - storbyuniversitetet.
https://hdl.handle.net/11250/3099745



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These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.

Dissemination

Tønnessen, Marianne ; Liodden, Tone (2026). Hvem utvandrer fra Norge, og hvorfor?.
https://doi.org/https://radio.nrk.no/serie/ekko/IF

Liodden, Tone ; Tønnessen, Marianne ; Staver, Anne Balke (2026). Hørt om «one night friendships»? – Et litt særnorsk fenomen, tror forsker.
https://doi.org/https://www.aftenposten.no/trender

Tønnessen, Marianne (2025). Kvinnene som forsvant – nå kommer de tilbake – NRK Innlandet – Lokale nyheter, TV og radio.
https://hdl.handle.net/11250/5360322

Liodden, Tone ; Tønnessen, Marianne (2025). 'Norwegians practice a friendship version of a ‘one-night stand''.
https://doi.org/https://partner.sciencenorway.no/c

Liodden, Tone ; Tønnessen, Marianne (2025). – Nordmenn praktiserer en venneversjon av et «one-night stand».
https://hdl.handle.net/11250/5335301

Tønnessen, Marianne (2025). How Emigration Contributes to the De-urbanization of Immigrant Populations. The Wittgenstein Centre Conference 2025. Austrian Academy of Sciences.
https://hdl.handle.net/11250/5329581

Tønnessen, Marianne (2025). Ekornjakt, metan­hemmere og de som forlater Norge.
https://hdl.handle.net/11250/5329042

Tønnessen, Marianne ; Liodden, Tone (2025). Utvandring fra Norge i nyere tid. Pandaseminaret 2025. Panda analyse.
https://hdl.handle.net/11250/5329576

Tønnessen, Marianne (2025). Tusenvis flytter fra Norge årlig.
https://hdl.handle.net/11250/5329540

Tønnessen, Marianne (2025). Vanskelig å finne nye venner i Norge.
https://hdl.handle.net/11250/5329537



See all publications


These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.
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