When did Guyana exist?

Guyana existed 1966/1970–present. On this map it is drawn 1967–2024.

How large was Guyana?

At its greatest extent drawn on this map, Guyana covered about 214,000 km². That is the largest area the border data gives it across the years it is drawn, not necessarily its greatest extent in history.

South America · The modern republics

Guyana

1966/1970–present

See it on the map → Wikipedia ↗

Existed: 1966/1970–present
Shown on the map: 1967–2024
Peak area: 214k km²
Region: South America

Overview

Guyana — the only English-speaking country in South America — was the former colony of British Guiana. It gained independence from the United Kingdom on 26 May 1966 and became a republic within the Commonwealth on 23 February 1970. Its population is distinctively diverse, with large Indo-Guyanese and Afro-Guyanese communities descended from indentured laborers and enslaved people, a divide that has structured its politics between the (Indo-based) People's Progressive Party and the (Afro-based) People's National Congress.

History

Post-independence Guyana was long governed by Forbes Burnham's PNC in an increasingly authoritarian, socialist direction (1964–1985); the 1978 Jonestown mass murder-suicide of over 900 members of the American Peoples Temple cult occurred in a remote Guyanese settlement. The 1992 elections restored competitive democracy. Guyana has since been transformed by the discovery of vast offshore oil reserves (from 2015, led by ExxonMobil). In November 2025 ExxonMobil announced that its Stabroek Block had reached a new production milestone of 900,000 barrels of oil per day, making Guyana one of the world's fastest-growing economies.

Later history and present status

Guyana's defining external issue is the Essequibo dispute with Venezuela. Venezuela claims the 159,500-square-kilometer Guayana Esequiba region — roughly two-thirds of Guyana's total territory of about 214,970 sq km — rejecting the 1899 Paris Arbitral Award that fixed the boundary in favor of British Guiana. The dispute, dormant for decades, was reignited by the oil discoveries. Venezuela held a referendum in December 2023 claiming the territory, and in May 2025 held elections for "Essequibo" representatives despite an ICJ order (1 May 2025) to desist. The case is before the International Court of Justice, which opened oral hearings on the merits in 2026 and is expected to rule on the boundary. Guyana's president, Irfaan Ali (of the PPP), first elected in 2020, was re-elected in September 2025 and has staunchly defended Guyanese sovereignty through the ICJ. [FLAG: the Essequibo dispute is active and fast-moving; an ICJ merits ruling was pending as of 2026, and Venezuela rejects the court's jurisdiction.]

Common questions

What was Guyana?: Guyana — the only English-speaking country in South America — was the former colony of British Guiana. It gained independence from the United Kingdom on 26 May 1966 and became a republic within the Commonwealth on 23 February 1970.
When did Guyana exist?: Guyana existed 1966/1970–present. On this map it is drawn 1967–2024.
How large was Guyana?: At its greatest extent drawn on this map, Guyana covered about 214,000 km². That is the largest area the border data gives it across the years it is drawn, not necessarily its greatest extent in history.
Who ruled Guyana?: Post-independence Guyana was long governed by Forbes Burnham's PNC in an increasingly authoritarian, socialist direction (1964–1985); the 1978 Jonestown mass murder-suicide of over 900 members of the American Peoples Temple cult occurred in a remote Guyanese settlement. The 1992 elections restored competitive democracy.
What is the present status of Guyana?: Guyana's defining external issue is the Essequibo dispute with Venezuela. Venezuela claims the 159,500-square-kilometer Guayana Esequiba region — roughly two-thirds of Guyana's total territory of about 214,970 sq km — rejecting the 1899 Paris Arbitral Award that fixed the boundary in favor of British Guiana.

Sources

This compendium cites its sources once for the whole document rather than per territory. It names English Wikipedia, Encyclopaedia Britannica and the World History Encyclopedia as the basis of these profiles, supplemented by academic and museum sources and, for recent events, by reputable news outlets. The article this entry is anchored on:

Wikipedia — Guyana en.wikipedia.org/wiki/Guyana

This entry was last updated 12 September 2026.

This entry was researched and drafted with AI from the sources above, and has not been reviewed by a historian. How entries are made

Text available under CC BY-SA 4.0: reuse it with a credit to The World Through Time and a link to this page. Passages drawing on the Wikipedia articles listed above are also licensed CC BY-SA 4.0 by their contributors.

Border geometry for the map itself comes from Cliopatria v0.12 (Seshat Global History Databank, CC-BY-4.0).

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