Tanzania Association of Non-Government Organization (TANGO) membership is open to legally established NGOs, bodies and or Individuals with a tract record to their positive contributions to the community and Organization objectives. TANGO membership is categorised in four groups.
- Founder members: These are members who made the initiatives to establish this Organization.
- Ordinary members: These are members who join the Organization after its establishment.
- Associate members: Shall be those whose objectives, purpose and activities are consistent with the objectives of TANGO and those which are not Tanzanian in respect of their final governing authorities but they are branches or agencies of a body constituted external to Tanzania or are operating locally in Tanzania.
- Honorary members: are those members who shall be awarded such membership by the Organization due to their positive contributions to the community and Organization objectives.