Indonesia Institute of Islamic Dawah (, LDII) is one of the Islamic community organizations in Indonesia that focuses on preaching and teaching Islam based on the Qur'an and Hadith. This organization is known to have rapid development, with an estimated number of non-members who participate in activities or are influenced by its preaching reaching more than 30 million people. However, LDII also faced a number of controversies that accompanied its organizational journey.
LDII was founded on July 1, 1972, in Kediri City, East Java, with the initial name of the Islamic Employee Institution Foundation (YAKARI). The establishment of this organization was based on the Notarial Deed of Mudijomo dated July 27, 1972, which was a correction of the Deed dated January 3, 1972 regarding the determination of the date of establishment of LEMKARI. This institution was founded by several figures, namely:
In 1981, through the YAKARI Grand Conference, the name of the organization was changed to the Islamic Employee Institution (LEMKARI). Furthermore, at the Fourth LEMKARI Grand Conference in 1990, the name of the organization was changed again to the Indonesia Institute of Islamic Dawah (LDII). This change was made at the direction of the Vice President of the Republic of Indonesia at that time, Sudharmono, and . The name "LEMKARI" was changed because it was considered similar to the abbreviation of the Indonesian Karate-Do Institute.
LDII is an independent and legal organization in accordance with the regulations below:
LDII adopted an organizational level similar to Golongan Karya, this is inseparable from the closeness of the two in the past. The details are as follows:
LDII members who are well known to the public include: