The United Arab Emirates tops the list with immigrants making up 88% of its total population.
Qatar follows closely with 87% of its residents being immigrants.
Kuwait (73%) and Bahrain (55%) also feature prominently, showing a regional trend where nationals are a minority and foreign workers form the economic backbone
Middle Eastern dominance in the top rankings highlights how the Gulf region’s economic model is heavily dependent on imported labor and expatriate populations.
The United States remains the undisputed leader with 589 active rigs, accounting for nearly a third of all rigs worldwide in 2024.
Canada (162 rigs) and Iran (117 rigs) follow as the second and third highest contributors to global drilling activity.
Middle Eastern producers dominate the top 10, with Kuwait (80), UAE (73), Saudi Arabia (70), Iraq (62), and Oman (50) collectively operating 335 rigs.
Nigeria ranks 15th globally with 31 active rigs, making it one of only two African nations in the global top 20.
The top 10 countries account for over 75% of the world’s active rigs, reflecting the continued concentration of drilling infrastructure in a handful of key oil-producing regions.
The world’s total proven recoverable crude oil reserves stand at 1.57 trillion barrels in 2024.
Venezuela, Saudi Arabia, and Iran collectively hold over 50% of these reserves, with 303.2B, 267.2B, and 208.6B barrels respectively.
Nigeria ranks 10th globally with 37.3 billion barrels, placing it ahead of other major producers like Kazakhstan, China, and Brazil.
The majority of the largest reserves are concentrated in Middle Eastern and South American countries, with only a few top holders located in North America, Africa, and Asia.
In H1 2024, the UK accounted for nearly half (48.9%) of Nigeria’s capital investments, totalling $2.93 billion, followed by South Africa (14%) and the Netherlands (11%).
This highlights the UK's long-standing economic ties with Nigeria, having invested over $47.5 billion over the past ten years. The UK remains Nigeria's top capital import source.
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