[2] Those who acquire nationality at birth include: Naturalization can be granted to persons who have resided in the territory for a sufficient period of time to confirm they understand the customs and traditions of the society.

[16] Among the earliest writings on the history of Comoros is evidence of the arrival of Shirazis, elite Muslims who were fleeing from conflict in southern Persia, to the islands in the tenth and eleventh centuries.

[19] As settlements grew up, hybrid political systems emerged which combined traditional kinship and clan networks with monarchical power structures.

[20] By the end of the fifteenth century, sultanates had been founded, the majority of the free population had been converted to Islam, and the islands were heavily involved in the slave trade.

[21] Portuguese explorers sighted the Comoros in 1503 and they built trading and supply stations in nearby Kilwa, Mozambique, and Sofala within four years.

[36][37] Repeatedly, through the middle of the eighteenth century, the island's leaders asked England, France and Portugal to provide them with protection from slave raiders, pirates, and other states.

[43] France extended the protectorate to the adjoining islands incorporating the Sultanate of Andruna in 1852,[44][46] and the Sulatanates of Bambao and Itsandra on Ngazidja, Mwali, and Ndzuwani in 1886.

[55] These laws prevented a wife from being treated as a slave, required her husband to support her, and entitled her kin to a bride price, to compensate them for the loss of her fertility to their kinship group and secure the legality of the union.

[59] Clarification in the 1897 decree included that bestowing nationality by birth in French territory only applied to children born in France, restoring descent requirements for the colonies.

24 on 25 March 1915 that allowed subjects or protected persons who were non-citizen nationals and had established domicile in a French territory to acquire full citizenship, including the naturalization of their wives and minor children, by having received the cross of the Legion of Honor, having obtained a university degree, having rendered service to the nation, having attained the rank of an officer or received a medal from the French army, who had married a Frenchwoman and established a one-year residency; or who had resided for more than ten years in a colony other than their country of origin.

[70] At the end of World War II, a statute issued on 7 March 1944 granted French citizenship to those who had performed services to the nation, such as serving as civil servants or receiving recognitions.

[74] It expressly applied to Algeria, French Guiana, Guadeloupe, Martinique and Réunion and was extended to the Overseas Territories in 1953, but in the case of the latter had distinctions for the rights of those who were naturalized.

[77] In 1961, the independence movement of the previous decade resulted in the Comoros being granted internal autonomy and the capital being moved from Mayotte to Moroni on Ngazidja.

[81] On 22 December 1974 a plebiscite was held with Mayotte voting to retain its status as a French overseas territory and 96% of the combined voters on Mwali, Ngazidja, and Ndzuwani in favor of independence.

[82] On 30 December 1975, the French Constitutional Council established that legal obstacles did not preclude partial independence, and formally recognized the Comorian state composed only of Mwali, Ngazidja, and Ndzuwani.

[89] Under a law (French: Loi relative à la citoyenneté économique en Union des Comores) enacted in 2008, persons who made a significant investment into the development of the country could obtain nationality and a Comorian passport.

[90][91][92] The program was initially designed in conjunction with the United Arab Emirates to exchange nationality for stateless Bidoons for investment in Comoros.

[91] The scheme required investment of $45,000 US for the primary applicant; $20,000 US for a spouse or adult child; $10,000 US for minor children; $300 US for each passport; and $7,500 US for processing fees.

[94] In November 2022, Ahmed Abdallah Sambi, Mohamed Ali Soilihi, Bashar Kiwan, Majd Suleiman, and other directors of Comoro Gulf Holdings were tried for high treason, embezzlement and money laundering of Comorian public funds allegedly diverted from the economic citizenship program.