Canadian immigration policy has long emphasized family reunification. In fact, most of Canada’s 200,000 yearly newcomers migrate as a couple or a family unit.

For these families, migration means more than just starting over — it means that each family member, and the unit, must adapt to the new culture while finding ways to maintain a connection with their original culture.

This dual transition, known as family acculturation, can be a source of both growth and stress. The complexity of this process is well illustrated by examining the smallest-sized family unit: the immigrant couple.

Language barriers, social isolation and new parenting challenges often add to the everyday pressures of marriage. When partners adapt to Canadian culture at different rates and levels, these acculturation gaps can strain communication, shift power dynamics and challenge a couple’s sense of connection and harmony.

What are acculturation gaps?

Acculturation refers to how individuals balance maintaining their heritage culture while adopting aspects of a new one. Within families, not everyone does that in the same way or at the same pace. One spouse might quickly learn English, find employment and follow social norms, while the other may hold more strongly to traditional values or struggle with integration.

They may also adapt differently across domains such as child-rearing practices. These differences, known as acculturation gaps, can affect not only individual well-being but also the quality of a couple’s relationship and overall family functioning.

Research on family acculturation has largely focused on parent–child relationships, showing how differences in cultural adaptation can cause tension and misunderstanding. Yet spousal acculturation gaps — though less studied — may be equally influential.

Couples, after all, are the foundation of most immigrant families, and large acculturation gaps between spouses may erode feelings of connectedness, negatively impacting both individual and relational well-being. These gaps may also spill over into parenting and other aspects of family functioning.

The acculturation gap–distress model explains how differing levels of adaptation within a family can lead to conflict. When partners adopt new languages, norms or values at different speeds, they may develop mismatched expectations about family roles, parenting and daily decisions.

This mismatch can erode intimacy and communication, increasing marital stress and dissatisfaction. Studies have found that couples with greater acculturation gaps tend to experience more marital distress, higher rates of conflict and separation and lower relationship quality over time.

Power dynamics within the family can also shift. The partner who adapts more easily — perhaps gaining stronger language skills or financial independence — may take on more decision-making authority. This can challenge traditional gender roles, especially for families migrating from patriarchal societies to more egalitarian environments.

As a result, couples may find themselves renegotiating not only household responsibilities but also their identities as partners, sometimes leading to tension or resentment.

Parenting adds another layer of complexity and pressure. Parents’ beliefs and practices are deeply shaped by their cultural backgrounds. When mothers and fathers acculturate differently, their child-rearing ideologies and approaches may diverge. For instance, one parent might encourage independence in line with Canadian norms, while the other emphasizes collectivist values. These inconsistencies can lead to co-parenting stress, spousal conflict and confusion for children.

When resilience meets policy

Not all acculturation gaps lead to conflict. The vulnerability–stress–adaptation (VSA) model suggests that couples’ ability to adapt determines whether stressors such as language gaps strengthen or weaken the relationship.

While acculturation gaps can create vulnerabilities, partners who communicate openly, show empathy and support each other often turn these challenges into opportunities for deeper connection. Couples’ resilience and adaptive coping can mediate the negative effects of acculturation gaps on their well-being, enhancing long-term satisfaction and stability.

Unfortunately, recent immigration policies have added another strain on immigrant families. Canada’s indefinite suspension of new permanent residency sponsorships for parents and grandparents removes an important support system for many newcomers. Grandparents often provide child care, transmit cultural values and offer emotional support — resources that buffer acculturative stress and promote family cohesion.

Read more: Canada halts new parent immigration sponsorships, keeping families apart

Under the VSA model, the removal of extended-family support functions as an external stressor that intensifies couples’ existing vulnerabilities. With fewer adaptive resources to manage daily stress, immigrant couples may find it harder to maintain resilience, marital quality and family well-being.

The story of couple acculturation is one of commitment and adaptation under stress. The success of this journey depends not only on language skills or employment but also on mutual understanding and support.

Immigration policies influence the ecology of resilience in immigrant families, yet within this context, couples must continuously negotiate acculturative stressors and gaps.

Well-adjusted couples are the foundation of thriving immigrant families and communities, and understanding couple acculturation gaps is a crucial step toward supporting them.

This article is republished from The Conversation, a nonprofit, independent news organization bringing you facts and trustworthy analysis to help you make sense of our complex world. It was written by: Jingyi Zhang, University of Alberta and Kimberly A. Noels, University of Alberta

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Jingyi Zhang received funding from the China Institute at the University of Alberta

Kimberly A. Noels received funding from the Social Sciences and Humanities Research Council of Canada through an Insight Grant #435-2024-1437.