Abstract Background Timely access to health services is one of the cornerstones of universal health coverage. However, various individual and structural factors remain as barriers to meet this goal. Access to physician services remains a concern for migrant populations, with a substantial proportion experiencing unmet healthcare needs, surpassing rates observed in the general population of Finland. This study aims to assess temporal changes in unmet healthcare needs among migrants in Finland across the years 2014, 2018, and 2022, investigating potential disparities across population groups. Methods Three nationally representative datasets derived from cross-sectional surveys are used; Survey on work and well-being among people of foreign origin 2014-2015 (UTH), Survey on well-being among foreign-born population 2018-2019 (FinMonik) and National survey on health, well-being, and service use among foreign-born population 2022-2023 (MoniSuomi). We analysed data from individuals aged 20 to 64 years. Multivariate logistic regression analysis, adjusting for sociodemographic and socioeconomic factors, is employed to compare unmet healthcare needs in migrant populations with the Finnish general population. Results A significant increase was found in unmet healthcare needs among migrant populations in Finland from 2014 to 2022. Prevalence rates rose from 25.0% in 2014 to 24.9% in 2018 and reached 33.7% in 2022. Preliminary analysis suggests that younger age, migration from the Middle East and Africa, and refugee status are associated with higher odds of experiencing unmet healthcare needs. Conclusions The escalating prevalence of unmet healthcare needs between 2014 and 2022 among migrant populations in Finland is a cause for concern. This research underscores the urgent need for policymakers, healthcare providers, and community advocates to address healthcare inequities and ensure equitable access to healthcare, to ensure universal health coverage for all individuals in Finland. Key messages • The prevalence of unmet healthcare needs between 2014 and 2022 among migrant populations in Finland has escalated, compared to the Finnish general population. • Preliminary analysis suggests that younger age, migration from the Middle East and Africa, and refugee status are associated with higher odds of experiencing unmet healthcare needs.