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.
Fields of study
Academic disciplines
Subject areas
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
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Emigration from today’s Norway: Who, why, and how does it shape Norwegian society? (EXITNORWAY)
Little is known about those who emigrate from Norway today, why they leave, and how their emigration affects Norwegian society.
-
Government responses to high influxes of protection seekers
A comparative analyses of eight European countries' responses in 2015/16 and 2022/23
-
PREMIUM EU
Policy REcommendations to Maximise the beneficial Impact of Unexplored Mobilities in and beyond the European Union
-
Small city regions – development, resilience and sustainability (SMACREG)
Norway is among the countries in Europe with the largest share of residents living in smaller city regions (SCRs). These regions are central to the national goals of regionally balanced development and to securing sustainable regions throughout the country.
Publications and research
Scientific publications
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/https://doi.org/10.23865/noasp.180
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
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
Tønnessen, Marianne
(2021).
Movers from the city in the first year of Covid.
Nordic Journal of Urban Studies.
https://www.idunn.no/njus/2021/02/movers_from_the_
Andersen, Synøve Nygaard; Adsera, Alicia;
Tønnessen, Marianne
(2021).
Municipality Characteristics and the Fertility of Refugees in Norway.
Journal of International Migration and Integration.
https://doi.org/10.1007/s12134-021-00840-2
Tønnessen, Marianne
; Mussino, Eleonora; Aradhya, Siddartha
(2021).
How Assad changed population growth in Sweden and Norway: Syrian refugees’ impact on Nordic national and municipal demography.
PLOS ONE.
https://doi.org/10.1371/journal.pone.0244670
Tønnessen, Marianne
;
Syse, Astri
(2021).
Flere eldre innvandrere i framtidens arbeidsstyrke.
Søkelys på arbeidslivet.
Vol. 38.
https://doi.org/10.18261/issn.1504-7989-2021-01-01
Tønnessen, Marianne
; Mussino, Eleonora
(2020).
Fertility patterns of migrants from low-fertility countries in Norway.
15 p.
Demographic Research.
Vol. 42.
https://doi.org/10.4054/DemRes.2020.42.31
Tønnessen, Marianne
; Wilson, Ben
(2020).
Visualising Immigrant Fertility Profiles of Childbearing and their Implications for Migration Research.
Journal of International Migration and Integration.
https://doi.org/10.1007/s12134-020-00762-5
