Hélène Thiollet est chargée de recherche au CNRS. Ancienne élève de l'Ecole normale supérieure-Ulm (1998), elle est docteur en science politique (Sciences Po), titulaire d’un DEA en géographie (Paris 1) et d’une maîtrise de littérature grecque (Paris 4). Elle était post-doctorante à Oxford et ATER à l'université Paris Nord.

Hélène travaille sur les politiques migratoires et les politiques d'asile dans les pays du Sud, en particulier au Moyen-Orient et en Afrique sub-saharienne. Ses recherches portent aussi sur les crises et les transformations politiques liées à la migration et à l'asile. Elle enseigne les relations internationales, la politiques comparée et l'étude des migrations internationales à Sciences Po et à l'EHESS. 

Elle est membre du comité de rédaction de la Revue Européenne des Migrations Internationales, de Migration Politics et de PARISS (Political Anthropological Research on International Social Sciences) et membre du comité de Journal of Refugee Studies.

Site personnel

Géopolitique des migrations et de l'asile et construction des crises migratoires

Projets en cours

Discourses and Migration (DIMIG)

Médias Migration : La fabrique de l’opinion – Les podcasts

Migrations et intégrations dans le Sud de la mer Rouge : migrants et réfugiés érythréens dans le monde arabe 1991-2007 sous la direction du Pr Bertrand Badie.

Voir les enseignements

• Hélène Thiollet. State, Migration, and Crisis. International Journal of European, Mediterranean and African Studies, 2024, 1 (1). ⟨halshs-04866035⟩
• Hélène Thiollet. A diplomacy of wages, numbers and rights: The Politics of Migration (inter)dependencies in the Gulf Cooperation Council. 2024. ⟨halshs-05336276⟩
• Filip Savatic, Margherita Lazzeri, Kartika Herscheid, Thomas Lacroix, Hélène Thiollet, et al.. Ukrainian Voices: Surveying the Spatial and Socio-Economic Trajectories of Ukrainian Refugees across Europe. International Migration Review, 2025, ⟨10.1177/01979183251343888⟩. ⟨hal-05140889⟩
• Hélène Thiollet, Julia Montfort. Signature of the Marseille Charter. 2025. ⟨hal-05121320⟩
• Fiona Adamson, Hélène Thiollet. The colonial migration state. Political Geography, 2025, 120, pp.103270. ⟨10.1016/j.polgeo.2025.103270⟩. ⟨hal-05116492⟩
• Hélène Thiollet, Julia Montfort. Signature de la Charte de Marseille. 2025. ⟨hal-05082557⟩
• Hélène Thiollet, Filip Savatic, Margherita Lazzeri, Kartika Herschied, Thomas Lacroix, et al.. Les Ukrainiennes en Europe : exil, passage et refuge au temps d’une guerre européenne. Mondes & migrations, 2025, 1348, pp.123-129. ⟨10.4000/13lnl⟩. ⟨hal-05067775⟩
• Hélène Thiollet. Exil, passage et refuge. Regards historiques sur le monde actuel. Mondes & migrations, 2025, 1348, pp.8-15. ⟨10.4000/13ln9⟩. ⟨hal-05067741⟩
• Hélène Thiollet. Odyssées. Exil, passage et refuge. Mondes & migrations, 1348 (janvier-mars 2025), 135 p., 2025, ⟨10.4000/13log⟩. ⟨hal-05067721⟩
• Céline Cantat, Antoine Pécoud, Hélène Thiollet. Special Issue: Migration as Crisis. American Behavioral Scientist, 69 (6), 204 p., 2025, ⟨10.1177/00027642231182889⟩. ⟨hal-05021392⟩
• Hélène Thiollet. La diplomatie migratoire dans un monde en mutation. Diplomatie : affaires stratégiques et relations internationales. Les Grands dossiers, A paraître, Géopolitique des migrations, 84. ⟨halshs-04955998⟩
• Hélène Thiollet. Migrantising Diplomacy. 2025. ⟨hal-04967733⟩
• Antoine Pécoud, Hélène Thiollet. La « diplomatie migratoire » voulue par la France, une arme à double tranchant. 2024. ⟨hal-04850427⟩
• Alice Mesnard, Filip Savatic, Hélène Thiollet, Jean-Noël Senne. L’externalisation des contrôles migratoires de l’UE : une politique dangereuse et inefficace. 2024. ⟨hal-04850386⟩
• Hélène Thiollet. Externalisation. Une diplomatie parallèle. Revue Projet, 2024, 2024/2 (402), pp.27-31. ⟨hal-04761739v2⟩
• Hélène Thiollet. Externalisation. Comprendre la diplomatie migratoire de l’Europe. 2024. ⟨hal-04738209v3⟩
• Alice Mesnard, Filip Savatic, Jean‐noël Senne, Hélène Thiollet. Revolving Doors: How Externalization Policies Block Refugees and Deflect Other Migrants across Migration Routes. Population and Development Review, 2024, 36 p. ⟨10.1111/padr.12650⟩. ⟨hal-04687266⟩
• Alice Mesnard, Filip Savatic, Jean-Noël Senne, Hélène Thiollet. The Effects of Externalization Policies on Refugees and other Migrants. 2024. ⟨hal-04696574⟩
• Giulia Breda, Claire Vincent-Mory, Hélène Thiollet. Migrations et développement. Enjeux politiques. Revue Européenne des Migrations Internationales, 40 (1), 150 p., 2024, ⟨10.4000/remi.25124⟩. ⟨hal-04596139⟩
• Hélène Thiollet. Comment (mieux) diffuser le savoir sur les migrations ?. 2024. ⟨hal-04850480⟩
• Filip Savatic, Hélène Thiollet, Alice Mesnard, Jean-Noël Senne, Thibaut Jaulin. Borders Start with Numbers: How Migration Data Create ‘Fake Illegals’. International Migration Review, 2024, ⟨10.1177/01979183231222169⟩. ⟨hal-04326986⟩
• Hélène Thiollet. Migrants and monarchs: regime survival, state transformation and migration politics in Saudi Arabia. Katharina Natter, Hélène Thiollet (Eds). Migration Politics across the World, Routledge, 2024, 9781032601168. ⟨hal-04386875⟩
• Katharina Natter, Hélène Thiollet. Introduction—Theorising migration politics: do political regimes matter?. Katharina Natter, Hélène Thiollet (Eds). Migration Politics across the World, Routledge, 2024, 9781032601168. ⟨hal-04386873⟩
• Katharina Natter, Hélène Thiollet (Dir.). Migration Politics across the World. Routledge, 166 p., 2024, 9781032601168. ⟨hal-04384224⟩
• Hélène Thiollet. Immigration rentier states. Journal of Ethnic and Migration Studies, 2023, 23 p. ⟨10.1080/1369183X.2023.2269783⟩. ⟨hal-04326845⟩
• Filip Savatic, Hélène Thiollet, Thibaut Jaulin, Alice Mesnard, Jean-Noël Senne. Borders Start with Numbers. Measuring Migration in Times of Crisis. 2023. ⟨hal-04262930⟩
• Hélène Thiollet. From oil to innovation: Changing economies in the Gulf. 2023. ⟨halshs-04877239⟩
• Thomas Lacroix, Hélène Thiollet. Les « crises migratoires » : penser l’État et les migrations au XXIe siècle. Eberhard Kienle, Carola Klöck, Adrien Estève et Alain Dieckhoff (dir.). Un monde en crises, Presses de Sciences Po, pp.53-69, 2023, L'Enjeu mondial, 9782724641400. ⟨hal-04193858⟩
• Michelle Reddy, Hélène Thiollet. The Making of a Crisis: Migration and Polarisation in the French Press. American Behavioral Scientist, 2023, 33 p. ⟨10.1177/00027642231183274⟩. ⟨hal-04191770⟩
• Céline Cantat, Antoine Pécoud, Hélène Thiollet. Migration as Crisis. American Behavioral Scientist, 2023, 23 p. ⟨10.1177/00027642231182889⟩. ⟨hal-04163262⟩
• Stefan Rother, Hélène Thiollet, Catherine Wihtol de Wenden. Global encounters: exploring the political foundations of global migration governance. Antoine Pécoud, Hélène Thiollet (eds). Research Handbook on the Institutions of Global Migration Governance, Edward Elgar Publishing, pp.132-145, 2023, Elgar Handbooks in Migration, 9781789908060. ⟨hal-04098619⟩
• Antoine Pécoud, Hélène Thiollet. Introduction: the institutions of global migration governance. Antoine Pécoud, Hélène Thiollet (eds). Research Handbook on the Institutions of Global Migration Governance, Edward Elgar Publishing, pp.1-18, 2023, Elgar Handbooks in Migration, 9781789908060. ⟨hal-04098597⟩
• Antoine Pécoud, Hélène Thiollet (Dir.). Research Handbook on the Institutions of Global Migration Governance. Edward Elgar Publishing, 480 p., 2023, Elgar Handbooks in Migration, 9781789908060. ⟨hal-04038868⟩
• Claire Beaugrand, Hélène Thiollet. Migration Intermediation: Revisiting the Kafala (Sponsorship System) in the Gulf. Antoine Pécoud, Hélène Thiollet (eds). Research Handbook on the Institutions of Global Migration Governance, Edward Elgar Publishing, pp.341-356, 2023, 9781789908060. ⟨10.4337/9781789908077.00032⟩. ⟨hal-03942824⟩
• James Hollifield, Hélène Thiollet, Catherine Wihtol de Wenden. La politique des migrations internationales : un nouveau cadre d'analyse. Hommes & migrations, 2022, 2022/3 (1338), pp.192-199. ⟨10.4000/hommesmigrations.14389⟩. ⟨hal-03828461⟩
• Fiona Adamson, Gerasimos Tsourapas, Hélène Thiollet, Riva Kastoryano. Greece and Turkey: From State-Building and Developmentalism to Immigration and Crisis Management. James Hollifield, Philip Martin, Pia Orenius and François Héran (Eds). Controlling Immigration. A Comparative Perspective (Fourth Edition), Stanford University Press, 2022, 9781503631380. ⟨hal-03771902⟩
• Katharina Natter, Hélène Thiollet. Migration Politics across the World. Third World Quarterly, 43 (7), 151 p., 2022. ⟨hal-03717298⟩
• Katharina Natter, Hélène Thiollet. Theorising migration politics: do political regimes matter?. Third World Quarterly, 2022, 43 (7), pp.1515-1530. ⟨10.1080/01436597.2022.2069093⟩. ⟨hal-03717230⟩
• Hélène Thiollet. Migrants and monarchs: regime survival, state transformation and migration politics in Saudi Arabia. Third World Quarterly, 2022, 43 (7), pp.1645-1665. ⟨10.1080/01436597.2021.1948325⟩. ⟨halshs-03329591⟩
• François Gemenne, Hélène Thiollet. L’accueil des réfugiés ukrainiens et l’universalité du droit d’asile. Hommes & migrations, 2022, 2022/2 (1337), pp.180-184. ⟨10.4000/hommesmigrations.14062⟩. ⟨hal-03757674⟩
• Thibaut Jaulin, Hélène Thiollet. Migration, Asylum and International Interventions in the Horn of Africa. Jean-Nicolas Bach. Routledge Handbook on the Horn of Africa, Routledge, 2022. ⟨hal-03833122⟩
• Hélène Thiollet. Illiberal Migration Governance in the Arab Gulf. James Hollifield; Neil Foley. Understanding Global Migration, Stanford University Press., pp.50-80, 2022, 9781503629578. ⟨hal-03522786⟩
• Hélène Thiollet, Ferruccio Pastore, Camille Schmoll. Does the forced/voluntary dichotomy really influence migration governance?. Ettore Recchi and Mirna Safi (Eds). Handbook of Human Mobilities and Migrations, Edward Elgar Publishing, 29 p., In press. ⟨hal-03847217⟩
• Barbara Joannon, Audrey Lenoël, Hélène Thiollet, Perin Emel Yavuz. Les migrations dans l’œil des médias : infox, influence et opinion. Institut Convergences Migrations. De Facto - Institut Convergences Migrations, 30 (janvier 2022), 46 p., 2022. ⟨hal-03556931⟩
• Thibaut Jaulin, Hélène Thiollet. Migration Diplomacy in the Horn of Africa. 2021. ⟨hal-03832189⟩
• Hélène Thiollet, François Gemenne, Mehdi Alioua, Basil Kamal Bushra, Juliette Delaplace, et al.. Colloque final anr liminal (8). 2021. ⟨hal-03525079⟩
• Catherine Lejeune, Delphine Pagès-El Karoui, Camille Schmoll, Hélène Thiollet (Dir.). Migration, Urbanity and Cosmopolitanism in a Globalized World. Catherine Lejeune; Delphine Pagès-El Karoui; Camille Schmoll; Hélène Thiollet. Springer, 184 p., 2021, IMISCOE Research Series, 9783030673642. ⟨10.1007/978-3-030-67365-9⟩. ⟨hal-03366748⟩
• Hélène Thiollet, Laure Assaf. Migrant Cosmopolitanism in Emirati and Saudi Cities: Practices and Belonging in Exclusionary Contexts. Catherine Lejeune; Delphine Pagès-El Karoui; Camille Schmoll; Hélène Thiollet. Migration, Urbanity and Cosmopolitanism in a Globalized World, Springer, pp.1 - 13, 2021, 9783030673642. ⟨10.1007/978-3-030-67365-9_12⟩. ⟨hal-03393472⟩
• Catherine Lejeune, Delphine Pagès-El Karoui, Camille Schmoll, Hélène Thiollet. Migration, Urbanity and Cosmopolitanism in a Globalized World: An Introduction. Catherine Lejeune; Delphine Pagès-El Karoui; Camille Schmoll; Hélène Thiollet. Migration, Urbanity and Cosmopolitanism in a Globalized World, Springer, pp.1 - 13, 2021, 9783030673642. ⟨10.1007/978-3-030-67365-9_1⟩. ⟨hal-03393473⟩
• Hélène Thiollet, Laure Assaf. Cosmopolitanism in Exclusionary Contexts.. Population, Space and Place, 2021, 27 (1), ⟨10.1002/psp.2358⟩. ⟨hal-02951417v3⟩
• Hélène Le Bail, Hélène Thiollet, Fariba Adelkhah. Relire Fariba Adelkhah : sur la route de Téhéran à Damas. 2020. ⟨hal-03021246⟩
• Hélène Thiollet. Déconfiner les politiques migratoires : lacunes et biais des débats scientifiques. 2020. ⟨hal-03021244⟩
• Hélène Thiollet, Florian Oswald. Migration, salaire et emploi : un aperçu de la recherche. 2020. ⟨hal-03021241⟩
• Thibaut Jaulin, Alice Mesnard, Filip Savatic, Jean-Noël Senne, Hélène Thiollet. Externalization Policies and their Impacts on Migrant and Refugee Flows to Europe during the “Crisis.” A preliminary study. [Research Report] The Migration Governance and Asylum Crises project. 2020, pp.70. ⟨hal-03094529⟩
• Hélène Thiollet. Unlocking migration politics: researching beyond biases and gaps in migration studies and comparative politics. KNAW Academy Colloquium, Oct 2019, Amsterdam, Netherlands. pp.115 - 125. ⟨hal-02951418⟩
• Elisa Benker, Céline Cantat, Shoshana Fine, Virginie Guiraudon, François Gemenne, et al.. Gouverner les frontières comme politique de vie ?. 2021. ⟨hal-02586031⟩
• Shoshana Fine, Hélène Thiollet. Does crisis matter for European migration governance? A Framework Paper. 2020. ⟨hal-02951421⟩
• Céline Cantat, Hélène Thiollet, Antoine Pécoud. Migration as crisis. Framework paper. 2020. ⟨hal-03961862⟩
• Céline Cantat, Hélène Thiollet, Antoine Pécoud. Migration as crisis. Framework paper. 2020. ⟨hal-02951419⟩
• Hélène Thiollet. Immigrants, Markets, Brokers, and States: The Politics of Illiberal Migration Governance in the Arab Gulf. 2019. ⟨hal-02362910v2⟩