Political and institutional systems vary widely across countries and regions. Key dimensions include electoral rules, the structure and boundaries of electoral districts, the influence of interest groups and lobbies, and the degree of government control over the media. These institutional features shape how political actors behave, how information is disseminated, and how responsive systems are to different societal groups. As a result, they can influence levels of trust, perceived fairness, and inclusion - all of which are central to social cohesion.
Certain political arrangements can inadvertently reinforce or deepen social divisions. For example, policies shaped by powerful lobbying groups or uneven media access may disproportionately benefit specific classes or regions, widening inequalities. Similarly, electoral systems that underrepresent minority voices can marginalise certain segments of the population, exacerbating divides along lines such as social class, gender, age, or ethnic background. Political narratives and institutional choices thus play a crucial role in either fostering unity or amplifying fragmentation within societies.
Conversely, the degree of social cohesion within a society also affects political processes. Societies with high levels of trust, civic engagement, and inclusive institutions often see more stable democratic participation and balanced policy outcomes. Formal and informal mechanisms that promote cohesion - such as inclusive education, strong social safety nets, and community-based initiatives - can shape electoral behaviour and ultimately influence which policies are prioritised. In this way, cohesion is not only a result of political systems but also a powerful force shaping them.