Global move away from oil could lead to conflict and migration, experts say

by | Sep 15, 2026 | Climate Change

Global move away from oil could lead to conflict and migration, experts say

A report from the E3G thinktank has identified significant risks associated with the declining global demand for oil, particularly for nations heavily reliant on petroleum revenues. Countries including Nigeria, Iran, Angola, and Algeria face severe challenges as oil use diminishes due to renewable energy expansion and supply constraints. The research indicates that global oil demand is expected to plateau within the coming decade, with peak consumption anticipated in the early 2030s, forcing producers to compete for a shrinking customer base.

The financial impact on vulnerable oil-producing nations will be substantial. In 17 countries worldwide, oil represents over 40% of government revenue, with some nations like Iraq and Libya deriving 70% to 90% of state income from this source. E3G forecasts dramatic revenue declines starting in 2030, predicting an 87% drop for Algeria and over 60% for Nigeria. These shortfalls will create significant gaps in government capacity to fund basic public services, potentially destabilizing social structures and increasing debt burdens that already strain budgets in nations like Angola and Mexico.

The report’s authors warn that without coordinated international intervention, these fiscal crises could manifest as regional security threats, migration waves, and political instability. Algeria’s proximity to Europe and dependence on European markets presents particular concerns, while Nigeria’s size and regional influence amplify potential continental consequences. Venezuela’s recent experience serves as a cautionary example of the broader destabilization possible when oil-dependent economies lack diversification.

Experts emphasize that delaying the energy transition poses greater risks than accelerating it, given the accelerating climate crisis. Addressing this challenge will require coordinated action among the International Monetary Fund, World Bank, private financial institutions, and governments. Meanwhile, China’s declining oil consumption and India’s uncertain trajectory will significantly influence whether global demand falls quickly enough to mitigate the worst impacts of climate change.

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