Nigeria faces world's highest projected heat death toll from super El Niño

Phys · Sep 25, 2026 · 1067 words · By Michael Greenstone

Public Health Preparedness Global Inequality Climate Change Impact

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What to know about Public Health Preparedness

Researchers from the University of Chicago's Climate Impact Lab project that a strong El Niño event could lead to hundreds of thousands of additional heat-related deaths globally, with Nigeria and other Sahel region countries being the most vulnerable. The article details the socio-economic factors contributing to this risk and suggests adaptation strategies for governments to mitigate the impact.

Propaganda risk 10%

Claims checked 14

Techniques found 1

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left14%

Center72%

Right14%

7 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Nigeria faces world's highest projected heat death toll from super El Niño Swati Mestri Scientific Editor Andrew Zinin Chief Editor Researchers at the University of Chicago's Climate Impact Lab combined temperature forecasts with research on how heat affects…

Why it matters

Michael Greenstone was part of the research team, along with Tamma Carleton, Genevieve Maricle and Emily Grover-Kopec.

Common ground

He explains why Africa's Sahel region is projected to be the hardest hit and why Nigeria is projected to be one of the worst-hit countries.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Public Health Preparedness story?
What evidence would most clearly confirm or weaken the claim that There are 18 countries trapped in this deadly combination of extreme heat and lack of cooling. Most are in northern sub-Saharan Africa, including Niger, Mali, Burkina Faso and Chad?
How does this story connect Public Health Preparedness with Global Inequality over the next few days?

open_in_new Read the original article: https://phys.org/news/2026-09-nigeria-world-highest-death-toll.html

analyticsAnalysis

10%

Propaganda Score

confidence: 95%

Low risk. This article shows minimal use of propaganda techniques.

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 70% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 14 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 7

schedule Pending 4

info Single Source 2

verified Verified 1

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Claim 1: “There are 18 countries trapped in this deadly combination of extreme heat and lack of cooling. Most are in northern sub-Saharan Africa, including Niger, Mali, Burkina Faso and Chad.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 2: “the super El Niño could cause an estimated 451,000 additional heat-related deaths worldwide between now and February 2027”

CORROBORATED

Multiple independent web search results confirm the projection of 451,000 additional heat-related deaths worldwide between June 2026 and February 2027, citing a Climate Impact Lab assessment.

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wikipedia NEUTRAL — Super El Niño events, officially called very strong El Niño events, are climatic phenomena resulting from the average sea surface temperatures in parts of the Pacific Ocean rising by 2° Celsius or mor…
https://en.wikipedia.org/wiki/Super_El_Niño_events

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wikipedia NEUTRAL — El Niño–Southern Oscillation (ENSO) is a global climate phenomenon that emerges from variation in winds and sea surface temperatures over the tropical Pacific Ocean. Those variations have an irregular…
https://en.wikipedia.org/wiki/El_Niño–Southern_Oscillation

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wikipedia NEUTRAL — Ángel Muñoz García (Spanish: [ˈaŋxel muˈɲoθ ɣaɾˈθia]; born 11 September 1994), better known as by his stage name Jordi El Niño Polla (Spanish: [ˈɟʝoɾði el ˈniɲo ˈpoʎa]; "Jordi 'The Dick Boy'"), often …
https://en.wikipedia.org/wiki/Jordi_El_Niño_Polla

+ 3 more evidence sources

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Claim 3: “Nearly half of these deaths—31,400—are projected to be in Nigeria, the most populous of the four with 237.5 million residents.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 4: “It covers about 3.05 million square kilometers (1.18 million square miles) and cuts through parts of Mauritania, Mali, Niger, Chad, Nigeria, Sudan, Senegal and Eritrea.”

CORROBORATED

The list of countries (Mauritania, Mali, Niger, Chad, Nigeria, Sudan, Senegal, Eritrea) is corroborated by The Conversation and a Facebook post regarding the Great Green Wall. While the exact square kilometer figure is only in the cross-reference, the geographic span is widely supported.

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wikipedia NEUTRAL — Since 25 April 2026, a series of joint coordinated attacks have been carried out by Azawad Liberation Front (FLA) and Jama'at Nusrat al-Islam wal-Muslimin (JNIM) across multiple locations in Mali. The…
https://en.wikipedia.org/wiki/2026_Mali_offensives

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wikipedia NEUTRAL — The Sahel region (; from Arabic ساحل sāḥil [ˈsaːħil], "coast, shore"), or Sahelian acacia savanna, is a biogeographical region in Africa. It is the transition zone between the more humid Sudanian sav…
https://en.wikipedia.org/wiki/Sahel

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wikipedia NEUTRAL — The War in the Sahel, also known synonymously as the Sahel War is a multi-sided armed conflict that has been ongoing since 2012. In particular, the intensive conflict mainly takes place in the three c…
https://en.wikipedia.org/wiki/War_in_the_Sahel

+ 4 more evidence sources

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Claim 5: “Sudan is projected to have the second-largest number of heat-related deaths at 17,500, followed by Niger with 10,000 and Chad with 8,000.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 6: “The Sahel is a belt of dry land stretching across Africa from the Atlantic Ocean to the Red Sea, between the Sahara Desert in the north and tropical savannas in the south.”

CORROBORATED

The description of the Sahel as a belt of dry land between the Sahara and tropical savannas stretching from the Atlantic to the Red Sea is confirmed by multiple independent sources including The Conversation and Population Matters.

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wikipedia NEUTRAL — The Sahara (, ) is a desert spanning North Africa. With an area of 9,200,000 square kilometres (3,600,000 sq mi), it is the largest hot desert in the world and the third-largest desert overall, smalle…
https://en.wikipedia.org/wiki/Sahara

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wikipedia NEUTRAL — The Sahara Desert, as defined by the World Wide Fund for Nature (WWF), includes the hyper-arid center of the Sahara, between latitudes 18° N and 30° N. It is one of several desert and xeric shrubland …
https://en.wikipedia.org/wiki/Sahara_Desert_(ecoregion)

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+ 4 more evidence sources

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Claim 7: “Four countries are projected to be most affected by El Niño from September 2026 through the end of February 2027: Nigeria, Sudan, Niger and Chad.”

CORROBORATED

Multiple independent sources confirm that Nigeria, Sudan, Niger, and Chad are projected to be the most affected by El Niño from September 2026 through February 2027.

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wikipedia NEUTRAL — Since April 2023, there has been a civil war in Sudan between the two main factions of the country's military government. The conflict involves the internationally recognized government of Sudan led b…
https://en.wikipedia.org/wiki/Sudanese_civil_war_(2023–prese…

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wikipedia NEUTRAL — The Kanuri people (also Barnawi, Yerwa, Barebari and several other subgroup names) are an African ethnic group living largely in the lands of the former Kanem and Bornu Empires in Niger, Nigeria, Chad…
https://en.wikipedia.org/wiki/Kanuri_people

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wikipedia NEUTRAL — Lake Chad (Arabic: بحيرة تشاد, Kanuri: Sádǝ, French: Lac Tchad) is an endorheic freshwater lake located at the junction of four countries: Nigeria, Niger, Chad, and Cameroon, in western and central Af…
https://en.wikipedia.org/wiki/Lake_Chad

+ 4 more evidence sources

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Claim 8: “In Nigeria, more than 60% of people were estimated to live below the national poverty line in 2025”

CORROBORATED

The claim that over 60% of Nigerians live below the national poverty line in 2025 is corroborated by The Conversation and a report citing the World Bank's April 2026 Nigeria Development Update (which estimated 63%).

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wikipedia NEUTRAL — The Nigeria national football team represents Nigeria in international men's football. Governed by the Nigeria Football Federation (NFF), they are three-time Africa Cup of Nations (AFCON) winners, wit…
https://en.wikipedia.org/wiki/Nigeria_national_football_team

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wikipedia NEUTRAL — Nigeria, officially the Federal Republic of Nigeria, is a country in West Africa between the Sahel to the north and the Gulf of Guinea in the Atlantic Ocean to the south. It covers an area of 923,769 …
https://en.wikipedia.org/wiki/Nigeria

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wikipedia NEUTRAL — The coat of arms of Nigeria consists of a black shield with a wavy white pall, symbolising the meeting of the Niger and Benue Rivers at Lokoja. The black shield represents Nigeria's fertile soil, whil…
https://en.wikipedia.org/wiki/Coat_of_arms_of_Nigeria

+ 4 more evidence sources

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Claim 9: “Older people (>65 years old), children (0–4 years old) and people with chronic health conditions are at greater risk than other people”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 10: “In Chad, 44.8% of the population lived in poverty in 2022.”

VERIFIED

The figure of 44.8% for Chad's poverty rate in 2022 is explicitly confirmed by the World Bank via multiple search results.

travel_explore

web search NEUTRAL — According to the World Bank, in 2022, 44.8% of Chad's population lived below the national poverty line, up from 42.3% in 2018. This increase highlights the ongoing economic struggles within the countr…
https://www.leprosymission.org/blog/chad-fact-file-health-po…

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web search NEUTRAL — Poverty headcount ratio at national poverty lines (% of population) in Chad was reported at 44.8 % in 2022, according to the World Bank collection of development indicators, compiled from officially r…
https://tradingeconomics.com/chad/poverty-headcount-ratio-at…

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web search NEUTRAL — Poverty and vulnerability are widespread in Chad, with 44.8% of the population living below the national poverty line in 2022. Extreme poverty ($2.15/day per capita (2017 PPP)) increased by 2.6 percen…
https://www.worldbank.org/ext/en/country/chad

+ 1 more evidence source

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Claim 11: “In Niger, 41% lived below the national poverty line in 2021.”

CORROBORATED

The figure of 41% for Niger's poverty line in 2021 is reported by both The Conversation and an independent web search result.

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web search NEUTRAL — The percentage of the population living below national poverty line (%) – poverty line deemed appropriate for a country by its authorities (however definitions of the poverty line vary considerably am…
https://en.wikipedia.org/wiki/List_of_countries_by_percentag…

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web search NEUTRAL — In Niger, 41% lived below the national poverty line in 2021. In Chad, 44.8% of the population lived in poverty in 2022. Many people in both countries depend on farming, leaving them exposed to drought…
https://theconversation.com/nigeria-faces-the-worlds-highest…

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web search NEUTRAL — The Nigeria Population (Live) counter shows a continuously updated estimate of the current population of Nigeria delivered by Worldometer's RTS algorithm, which processes data collected from the Unite…
https://www.worldometers.info/world-population/nigeria-popul…

+ 1 more evidence source

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Claim 12: “In Sudan... an estimated 57% of people living in extreme poverty in 2025.”

SINGLE SOURCE

While general poverty data for Sudan exists, the specific figure of 57% for 2025 is not found in the provided web search results or Wikipedia entries.

travel_explore

web search NEUTRAL — Poverty Rate is typically measured as the percentage of the population living below the national poverty line(s). National estimates are based on population-weighted subgroup estimates from household …
https://worldpopulationreview.com/country-rankings/poverty-r…

travel_explore

web search NEUTRAL — World population has reached 8 billion on November 15, 2022 according to the United Nations. World population live counter with data sheets, graphs, maps, and census data regarding the current, histor…
https://www.worldometers.info/world-population/

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web search NEUTRAL — National estimates are based on population-weighted subgroup estimates from household surveys.[9]. Definitions of the poverty line vary considerably among nations. For example, rich nations generally …
https://en.wikipedia.org/wiki/List_of_countries_by_percentag…

info

Claim 13: “Only 21% of people in Niger and 13% in Chad had electricity in 2024”

SINGLE SOURCE

The specific electricity access percentages for 2024 (21% Niger, 13% Chad) are only found in the cross-reference from The Conversation; no other independent sources provided this specific data.

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cross reference SUPPORTS — Only 21% of people in Niger and 13% in Chad had electricity in 2024
https://theconversation.com/nigeria-faces-the-worlds-highest…

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Claim 14: “these four countries will likely see 66,800 additional deaths from extreme heat compared with a normal year.”

CORROBORATED

The projection of 66,800 additional deaths for these four countries is corroborated by The Conversation and a web search result mentioning 'more than 65,000 heat-related deaths combined'.

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cross reference SUPPORTS — Our projections show that these four countries will likely see 66,800 additional deaths from extreme heat compared with a normal year.
https://theconversation.com/nigeria-faces-the-worlds-highest…

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.