Further integration among existing EU member states

https://jpinyu.com/2025/03/17/the-european-union-integration-in-the-face-of-crises/

https://www.cirsd.org/en/horizons/horizons-summer-2025--issue-no-31/the-future-of-european-integration

https://www.imf.org/en/Publications/fandd/issues/2025/06/europes-integration-imperative-alfred-kammer

https://europa.eu/eurobarometer/surveys/detail/3572

https://www.eunews.it/en/2025/09/03/citizens-dont-want-to-leave-the-eu-but-fewer-remain-convinced-by-the-parliament/

https://federalists.eu/resolutions-stat/resolution-towards-a-political-union/

https://www.imf.org/en/Publications/fandd/issues/2025/06/point-of-view-europes-future-hinges-on-greater-unity-simon-nixon

https://www.csis.org/analysis/next-steps-eu-economic-integration

https://fondazionefeltrinelli.it/en/scopri/beyond-unanimity/

https://notesfrompoland.com/2025/11/25/polands-president-proposes-eu-reform-to-stop-brussels-dictating-terms-to-member-states/

https://www.reuters.com/world/eu-opens-case-against-slovakia-over-constitutional-change-2025-11-21/

https://www.reuters.com/business/finance/eu-members-should-keep-exclusive-jurisdiction-national-security-italy-pm-says-2025-10-22/

https://moderndiplomacy.eu/2025/11/21/eu-hits-italy-over-golden-powers-rules/

https://commission.europa.eu/document/download/524bd8d4-33ba-4802-891f-d8959831ed5a_en?filename=2025%20Rule%20of%20Law%20Report%20-%20Country%20Chapter%20Hungary.pdf

https://verfassungsblog.de/hungary-transparency-law-foreign-funding/

Hungarian position https://hungarytoday.hu/sovereignty-office-calls-eu-report-about-hungary-legally-absurd-and-politically-dangerous/

https://www.euractiv.com/news/incoming-czech-government-signals-reversal-on-eu-climate-and-migration-policies/

https://innovazione.gov.it/notizie/articoli/en/france-germany-netherlands-and-italy-launch-eu-consortium-for-open-sovereign-digital-commons/

https://www.cirsd.org/en/horizons/horizons-summer-2025--issue-no-31/the-future-of-european-integration

https://www.politico.eu/article/netherlands-brussels-dutch-voters-elections-d66-geert-wilders-freedom-party-rob-jetten/

https://www.politico.eu/article/voters-europe-elite-coal-steel-defense-union/

https://www.ludovika.hu/en/blogs/the-daily-european/2025/06/12/the-eus-sovereignty-is-declining-globally-and-the-member-states-sovereignty-is-also-decreasing-a-lose-lose-situation/

https://carnegieendowment.org/research/2025/08/access-before-accession-rethinking-the-eus-gradual-integration?lang=en

https://www.weforum.org/stories/2025/01/sovereign-europe-economy-geopolitics/

https://www.robert-schuman.eu/en/european-issues/790-the-european-union-and-national-sovereignty-a-new-democratic-challenge

2022 on the integration of migrants

https://integrazionemigranti.gov.it/en-gb/Ricerca-news/Dettaglio-news/id/2686/Integration-in-the-EU-new-Eurobarometer-survey