Inflation

Global inflation eases to 3.5%, but war-driven fuel and fertilizer costs are pushing prices back up across Africa

Inflation is the rise in prices of goods and services over time. As it rises, money buys less. Economists track it through a basket of everyday goods: food, housing, transport, and energy. In 2026, inflation tells two very different stories depending on where you live.

Inflation

From Crisis Peak to Uneven Recovery

Global headline inflation reached 9.6% in September 2022, the worst reading in decades, driven by pandemic recovery, supply chain disruption, and the war in Ukraine. It has fallen steadily since, reaching 4.2% for 2025 as a whole, and stabilising near 3.5% by the final quarter of the year.

That recovery now faces a new shock. The outbreak of war in the Middle East in early 2026 pushed oil and commodity prices higher again. The IMF’s April 2026 World Economic Outlook projects inflation will tick up modestly through 2026, before resuming its decline in 2027, assuming the conflict stays limited in scope.

Global growth is projected to slow to 3.1% in 2026, down from previous forecasts, with the slowdown and inflation increase falling hardest on emerging market and developing economies specifically, not on wealthy nations.

A Two-Speed World

Advanced economies have mostly returned close to target. The G7 saw headline inflation steady around 2.7-2.8% in late 2025, the euro area approached its 2% target, and Switzerland’s strong franc pushed its own inflation down toward 0.6%.

Emerging and developing economies tell a different story. Inflation there averaged 4.0% in December 2025, and diverged further from advanced-economy rates as 2026 progressed. Rising price pressures in Asia, and now the Middle East conflict’s energy shock, are driving this gap wider.

Africa illustrates both sides of this story within a single year. Inflation across the continent fell sharply, from 14.4% in January 2025 to 6.8% by December, one of the fastest regional disinflation episodes on record. Yet the IMF now projects sub-Saharan Africa’s median inflation will rise again, from 3.4% in 2025 to 5% in 2026, driven specifically by war-related increases in oil and fertiliser prices.

This matters enormously for food security. Sub-Saharan African economies depend heavily on imported fertiliser for agricultural production. When fertiliser costs rise, food prices follow closely behind, in a region where food insecurity was already a serious concern before this latest shock.

When Inflation Becomes a Crisis

A handful of countries face inflation on an entirely different scale. Venezuela’s 2026 inflation is projected at 682.1%, driven by sanctions, currency collapse, and years of structural economic dysfunction rather than ordinary demand or supply pressures. Sudan and Iran both exceed 25%. Turkey leads OECD countries at a projected 18.5%.

Nigeria offers a genuinely dramatic counterexample. Inflation there fell from 118% at the end of 2024 to 31.5% by the end of 2025, one of the sharpest disinflation episodes anywhere in the world, even as the IMF revised Nigeria’s 2026 growth forecast down to 4.1%, citing the same war-related fuel, fertiliser, and shipping cost pressures hitting the wider region.

Argentina’s Disinflation Experiment

Argentina offers the decade’s most closely watched case study. Under President Javier Milei, annual inflation fell from 211% in 2023 to roughly 33% by mid-2026, achieved through severe fiscal austerity, a large currency devaluation, and elimination of most subsidies.

The headline results look striking. Poverty fell from 41.7% to 28.2% by the second half of 2025, the lowest level since 2018. Argentina posted its first fiscal surplus since 2008, and record shale energy production turned the country into a net energy exporter for the first time in decades.

The path there was not painless. Poverty initially spiked to 53% in the first half of 2024 before falling back, and manufacturing output dropped sharply, with over 2,000 businesses closing and 73,000 jobs lost since 2023. Critics argue the disinflation reflects suppressed wages and demand as much as genuine economic efficiency.

By early 2026, the “last mile” of disinflation stalled. Monthly inflation ticked back up to 2.9% in January, and the Middle East conflict’s oil shock pushed forecasts for full-year 2026 inflation higher again, from roughly 26% to 29.1%, the same transmission mechanism now hitting Chile, Colombia, and Brazil simultaneously.

Why Inflation Is a Global Development Issue

Inflation is not just a household budgeting problem. It reshapes global development in ways that connect directly to RYB’s coverage of aid, debt, and poverty.

Rising debt costs hit developing countries hardest. The World Bank’s Global Economic Prospects report notes that rising debt is driving up borrowing costs specifically for the most indebted emerging economies, creating urgent pressure for stronger revenue mobilisation exactly as inflation erodes government budgets from another direction.

Inflation also silently erodes the value of foreign aid. When donor countries pledge fixed-dollar ODA commitments, high inflation in recipient countries can shrink the real purchasing power of that assistance well before it reaches the communities it is meant to help, a dynamic RYB covers in detail on its ODA page.

Food and fertiliser price shocks connect inflation directly to poverty. The World Bank identifies energy and food security as urgent global priorities precisely because commodity-driven inflation, like the 2026 sub-Saharan Africa reversal described above, can push vulnerable households back into poverty within months.

How This Connects to the SDGs

Inflation touches SDG 1, ending poverty, directly and immediately, as Argentina’s initial poverty spike and Nigeria’s dramatic disinflation both illustrate from opposite directions. It also threatens SDG 2, zero hunger, whenever food and fertiliser costs rise faster than household incomes.

Debt-driven inflation dynamics connect to SDG 17, global partnerships, since rising borrowing costs for the most indebted countries make it harder to finance the same development priorities international aid is meant to support. Currency instability and wage suppression, as seen in Argentina, also raise real questions for SDG 10, reducing inequality.

Because inflation moves through food, energy, debt, and aid simultaneously, it functions as a kind of stress test for a country’s broader development trajectory, not an isolated economic statistic.

Bitcoin and Inflation: An Ongoing Debate

Bitcoin is sometimes described as “digital gold,” a hedge against inflation due to its fixed 21 million coin supply. In countries with severe currency crises, including Venezuela and Argentina, some residents have used Bitcoin and dollar-linked assets to preserve savings against rapid currency depreciation.

The evidence for Bitcoin as a reliable inflation hedge remains genuinely mixed. Its price is heavily influenced by speculation, regulation, and broader market sentiment, factors that often outweigh any relationship to inflation data itself. Central banks, including the US Federal Reserve, generally treat Bitcoin as a speculative asset rather than a stable store of value.

Institutional adoption has grown regardless. Companies including Tesla and MicroStrategy have added Bitcoin to their balance sheets, partly framed as inflation protection. Whether this represents a durable trend or a speculative cycle remains an open and actively debated question among economists.

Looking Forward

Global inflation’s path through the rest of 2026 depends heavily on how the Middle East conflict evolves. The IMF’s own projections assume a limited, contained conflict; a longer or wider war would push both inflation and the growth slowdown further than currently forecast.

Africa’s story deserves particular attention. Whether the continent’s 2025 disinflation success holds, or whether rising fertiliser and fuel costs reverse those gains through 2026 as currently projected, will shape food security and poverty outcomes for millions of households.

Argentina’s experiment offers a genuine test case for austerity-driven disinflation more broadly, with other governments, including voices within the current US administration, reportedly watching its approach with interest. Whether Argentina’s gains prove durable, or whether the stalled “last mile” of disinflation forces a policy reversal, will shape how that model is judged internationally.

RYB will continue tracking how inflation intersects with debt, aid, and food security across its country and finance pages. This page will be updated as new IMF, World Bank, and national data emerge.

Sources and References

  • IMF, World Economic Outlook, April 2026: “Global Economy in the Shadow of War” — imf.org
  • IMF, World Economic Outlook Update, January 2026 — imf.org
  • IMF, “World and Regional Inflation,” Data Brief — data.imf.org
  • IMF, Press Briefing Transcript, World Economic Outlook, Spring Meetings 2026 — imf.org
  • World Bank, Global Economic Prospects — worldbank.org
  • The Global Statistics, “Global CPI Statistics 2026” — theglobalstatistics.com
  • Statistics of the World, “Argentina Economy 2026: Milei’s Shock Therapy, 18 Months Later” — statisticsoftheworld.com
  • PIIE, “Argentina’s fragile monetary framework risks renewed volatility” — piie.com
  • Focus Economics, “Argentina’s Economy Outlook Under Milei: What has Changed?” — focus-economics.com
  • The Conversation, “Javier Milei’s inflation ‘miracle’ in Argentina is a warning to the world, not a blueprint” — theconversation.com
  • Trading Economics, Inflation Rate: Country list — tradingeconomics.com/country-list/inflation-rate
  • RYB, Official Development Assistance (ODA) — redyellowblue.org/finance/oda/
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