European family migration policies increasingly impose economic, linguistic, and legal requirements on residents seeking reunification with family members abroad. Based on a conjoint experiment in three European Union member states, this article examines public attitudes towards this policy trend. Contrary to expectations, the respondents do not support conditioning reunification on residents' status or attributes. Resident family members' economic resources, work experience, language skills, and legal status exert minimal influence on respondents' preferences for allowing family reunification. These findings indicate that, while conditionality is a central feature of contemporary migration policy, it does not reflect public sentiment regarding residents' opportunity to reunite with family members living abroad. The study uncovers a new and significant opinion-policy gap, which has not been noted in migration studies so far.