Merina in the context of "Rova of Antananarivo"

The Malagasy (French: Malgache or Malagasy: Gasy) are the Austronesian-speaking ethnic groups indigenous to the island country of Madagascar. They emerged over several centuries through interaction between Austronesians from Maritime Southeast Asia, who settled mainly in the island's interior, and Bantu migrants from Southeast Africa who arrived later and established communities along the coasts. Traditionally, the Malagasy have been divided into various sub-ethnic groups. The "Highlanders," such as the Merina and Betsileo of the central highlands around Antananarivo, Alaotra (Ambatondrazaka) and Fianarantsoa, tend to have more Austronesian ancestry. In contrast, the "coastal dwellers," including the Sakalava, Bara, Vezo, Betsimisaraka, and Mahafaly, generally have a higher proportion of Bantu ancestry.

The Merina are broadly divided into two subgroups that differ in their ancestral composition. The first, often referred to as the "Merina A," includes the Hova and Andriana classes, who possess approximately 77 percent Asian ancestry (mainly from Borneo and other Austronesian peoples, with around 7 percent Han-related), 20 percent African ancestry (largely Bantu and Yoruba-related), and about 3 percent from other origins. The second subgroup, known as the "Merina B" or Andevo, have roughly 50 percent African ancestry, 46 percent Asian (primarily Austronesian with minor Han-related ancestry), and 4 percent from other sources. The Malagasy population was 2,242,000 in the first census in 1900. Their population had a massive growth in the next hundred years, especially under the French colonial period as French Madagascar.

Ranavalona I (born Rabodonandrianampoinimerina; 1778–16 August 1861), also known as Ramavo or Ranavalo-Manjaka I or Ranavalona reniny, was the sovereign of the Kingdom of Madagascar from 1828 to 1861. After positioning herself as queen following the death of her young husband Radama I, she pursued a policy of isolationism and self-sufficiency. She sought reduced economic and political ties with European powers and took vigorous measures to eradicate the small but growing Malagasy Christian movement initiated under Radama I by members of the London Missionary Society.

Ranavalona made heavy use of the traditional practice of fanompoana (forced labor as tax payment) to complete public works projects and develop an army. She had a standing army of between 20,000 and 30,000 Merina soldiers, whom she deployed to pacify outlying regions of the island and further expand the realm. The combination of regular warfare, slavery, disease, difficult forced labor and the practice of tangena (a harsh trial by ordeal using a poisonous nut from the Cerbera manghas tree) resulted in a high mortality rate among both soldiers and civilians during her 33-year reign, reducing Madagascar's population from 5 million in 1833 to 2.5 million in 1839.

The Betsimisaraka ("the many inseparables") are the second largest ethnic group in Madagascar after the Merina and make up approximately fifteen percent of the Malagasy people. They occupy a large stretch of the eastern coastal region of Madagascar, from Mananjary in the south to Antalaha in the north. The Betsimisaraka have a long history of extensive interaction with European seafarers, pirates and bourgeois traders, which produced a significant subset with mixed European-Malagasy origins, termed the zana-malata. European influence is evident in the local valse (waltz) and basesa musical genres, which are typically performed on the accordion. Tromba (spirit possession) ceremonies feature strongly in Betsimisaraka culture.

Through the late 17th century, the various clans of the eastern coastal region were governed by chieftains who typically ruled over one or two villages. A zana-malata pirate named Ratsimilaho emerged to unite these clans under his rule in 1710. His reign lasted 50 years and established a sense of common identity and stability throughout the kingdom. But his successors gradually weakened this union, leaving it vulnerable to the growing influence and presence of European and particularly French settlers, (slave traders), missionaries and merchants. The fractured Betsimisaraka kingdom was easily colonised in 1817 by Radama I, king of Imerina who ruled from its capital at Antananarivo in the Central Highlands. The subjugation of the Betsimisaraka in the 19th century left the population relatively impoverished; under colonisation by the French (1896-1960), a focused effort was made to increase access to education and paid employment working on French plantations. Production of former plantation crops like vanilla, ylang-ylang, coconut oil, and coffee remain the principal economic activity of the region beyond subsistence farming and fishing, although mining is also a source of income.