The data presented by the United Nations to the delegations of Member States at the end of the First International decade of Women revealed that the improvements observed had benefited only a limited number of women. Thus, the Nairobi Conference was mandated to seek new ways of overcoming obstacles for achieving the objectives of the Decade: equality, development and peace. Three basic categories were established to measure the progress achieved: constitutional and legal measures; equality in social participation; equality in political participation and decision-making.