The aim of this dissertation is to shed light on how life can turn out for individuals with long term social assistance and afterwards when it has ceased. The primary objective of the dissertation is to study the changes that have occurred during the life course and the impact of those changes on the life course at large. A key question of this dissertation is the development of selfsufficiency and work-life patterns in a longitudinal perspective. The dissertation consists of a longitudinal study based on qualitative interviews with an interval of 20 years. The empirical data is composed of interviews with 11 recipients of social assistance – seven of which have been interviewed again in 2008/2009. A life course perspective is employed in the data analysis as a comprehensive approach and analytical tool. Other analytical approaches are related to the impact of the welfare state on the life course and to the term marginality. The situation of the interviewed group regarding self-sufficiency, employment and social conditions is viewed from a one-year perspective, a 20- year perspective and a life course perspective. The different time perspectives generated widely diverse pictures and nowledge. Not everyone worked at the point of the last interview but all were in a better social and economical position. No one remained on social assistance. One conclusion is that the notion of social problems being reinforced and exacerbated over time is simplistic. Another conclusion is that it appears that social assistance and social services have little importance from a life course perspective. A concluding result is that cross-sectional studies of individuals in a vulnerable situation are of limited value. A brief look at a person’s life does not say much of what the rest of his or her life will look like. Keywords: Life course, long term social assistance, social welfare services, human agency, timing, social integration, notions of social problems, welfare state, marginality.