Pernambuco

Pernambuco is a Brazilian state on the country's northeastern coast. With roughly 9.5 million residents as of 2024, it ranks as the seventh most populous state and the nineteenth largest by area, covering about 98,068 square kilometers. It is also the sixth most densely populated, with around 92 people per square kilometer. Its capital, Recife, is a major economic and urban center; its metropolitan region was the seventh largest in Brazil and the second largest in the Northeast as of 2019. In 2015, the state held 4.4% of the national population and contributed 2.8% of Brazil's GDP.

The state's name comes from the Captaincy of Pernambuco, founded in 1534. Before European contact, Tupi–Guarani-speaking peoples lived here. Portuguese colonization began in the 1500s, with a short Dutch interlude, and Brazil gained independence in 1822. During the colonial period, many enslaved Africans were brought to work sugarcane plantations, and a large part of the population today has African ancestry. This mix of histories and peoples has created rich cultural traditions, including the famous Carnivals in Recife and the historic colonial city of Olinda. Recife's Galo da Madrugada parade has held world records for its size.

Sugarcane farming once dominated the economy thanks to the climate, but the modern economy is now mostly services, though sugarcane is still widely grown. Since democracy returned in 1985, the state has seen progress in economic and health indicators, but inequality remains high.

The origin of the name Pernambuco is debated, with most theories pointing to the now-extinct Tupi language. One idea combines Tupi words for "great river" or "sea" (para'nã) and "hole" (buka), meaning "hole in the sea"—possibly referring to the Canal de Santa Cruz on Itamaracá Island or a reef opening between Olinda and Recife. Another theory says "pernambuco" was the local indigenous name for brazilwood, which grew widely in the region's forests. A third suggests it comes from paranãbuku, meaning "long river," possibly the Capibaribe River, as early maps show a "Pernambuco river" near Cabo de Santo Agostinho. Scholar Jacques Ribemboim proposed a Portuguese origin: the Canal de Santa Cruz was once called Boca de Fernão (after explorer Fernão de Noronha), and indigenous speakers may have turned "Fernão" into "Pernao" and reversed the words to get "Pernão Boca" or "Pernambuka," leading to the modern name. The state also has nicknames like Lion of the North, Land of Frevo and Maracatu, and Blessed Land.

Geographically, Pernambuco has a narrow coastal zone, a high inland plateau, and a middle zone of terraces and slopes. The surface is broken by remnants of an ancient plateau worn down by erosion, leaving escarpments and flat-topped mountain ranges called chapadas, capped with sandstone. These chapadas form borders with three states: the Serra dos Irmãos and Serra Vermelha with Piauí, the Serra do Araripe with Ceará, and the Serra dos Cariris Velhos with Paraíba.

The fertile coastal area was once covered by humid Pernambuco coastal forests, part of the Atlantic Forests of eastern Brazil, but is now mostly sugarcane plantations. It has a hot, humid climate, cooled somewhat by southeast trade winds. The middle zone, the agreste, is drier with lighter vegetation, including semi-deciduous interior forests where trees lose leaves in the dry season. The inland sertão is high, rocky, and dry, often hit by long droughts. It has hot days and cool nights, with a rainy season from March to June and a dry season the rest of the year. The interior is mostly covered by caatinga, a dry thorny scrub. The Rio São Francisco is the main water source here. The Borborema Plateau has a milder climate; some towns are over 1,000 meters above sea level, and winter temperatures can drop to 10 °C or even 5 °C in places like Triunfo. The volcanic archipelago of Fernando de Noronha, 535 kilometers northeast of Recife, has been part of Pernambuco since 1988.

The state's rivers include small plateau streams flowing south to the São Francisco—such as the Moxotó, Ema, Pajeú, Terra Nova, Brigida, Boa Vista, and Pontai—which are dry channels most of the year. Larger coastal rivers include the Goiana, formed by the Tracunhaem and Capibaribe-mirim, draining a rich agricultural area in the northeast; and the Capibaribe, which starts in the Serra de Jacarara and flows eastward to the Atlantic.