Ƙungiyar hadin gwiwar Nakasassu ta duniya (IDA), wacce aka kirkira a shekarar 1999, kungiya ce wacce ta mai da hankali kan inganta wayar da kan mutane da nakasassu a duk duniya. IDA tana aiki tare da Kungiyoyi masu zaman kansu (na NGO), kungiyoyi masu zaman kansu kamar Majalisar Dinkin Duniya (UN), har ma da gwamnatocin jihohi domin kirkirar doka, bayar da kudaden shirin nakasassu a kasashe masu tasowa da kasashe masu ci gaban masana'antu, da kuma yin shawarwari ga nakasassu a kewayen duniya. IDA na aiki sosai tare da Majalisar Dinkin Duniya, kuma musamman suna amfani da Yarjejeniyar Majalisar Dinkin Duniya kan 'Yancin Nakasassu (UNCRPD) a matsayin ƙa'idar aikinsu. A ranar 7 ga Yunin shekarata alib 2013, inda ta kasance cikin haɗin doka kuma an ba ta matsayin doka a matsayin mahaɗan. Abin da wannan ke nufi shi ne cewa tana da ƙarfi a cikin ikon iya sasantawa da ingantattun sharuɗɗa ga mutanen da ke da nakasa. Kungiyar hadin kan nakasassu ta Duniya tana ƙarƙashin cikakkiyar mambobinta kuma ta hanyar Hukumar IDA, wacce ta ƙunshi wakilai daga kowane ɗayan mambobinta.