This in-depth review identifies definitions and concepts related to social cohesion, specifically for the purposes of national statistical offices, and covers ongoing debates on defining social cohesion and its multidimensional nature. The document concludes that national statistical offices can benefit from approaches that satisfy their specific context and should avoid an overly encompassing definition of social cohesion that can undermine its analytical value. The review provides implications for the operationalisation of the concept by national statistical organisations and outlines a number of methodological priorities.