A measure is redistributive if the people who receive goods or services from a measure are not the same as the people who pay. All welfare provision is, by definition, redistributive in some way.
Redistribution does not have to be from rich to poor. Redistribution is conventionally classified as vertical or horizontal. Vertical redistribution may be progressive (from rich to poor) or regressive (from poor to rich). Horizontal redistribution goes from one kind of group to another - from men to women, households without children to families with children, tenants to owner-occupiers.
The social division of welfare
Titmuss identified several different kinds of redistributive process, arguing that it was not possible to understand the redistributive impact of social policy without taking them fully into account. …