How much is Carlos Slim Worth? Carlos Slim Net Worth in 2026

By the Alux Research Team. How we estimate net worth

Carlos Slim’s net worth is estimated at $123 billion as of October 2026. He is a Mexican businessman and investor whose empire spans telecommunications, retail, finance and industry, and who is the richest person in Latin America. His most visible recent move was building a stake of more than 4% in British telecom group BT in 2024.

Net worth	$123 billion (October 2026 estimate)
Estimated annual income	Mainly dividends and returns from his holding companies; no reliable annual figure is available
Born	January 28, 1940, Mexico City, Mexico (age 86)
Country	Mexico
Occupations and sources of wealth	Businessman, investor, philanthropist
Known for	Telecommunications empire (Telmex, America Movil) and Grupo Carso

How much is Carlos Slim worth in 2026?

Carlos Slim’s net worth is estimated at about $123 billion, based on current valuations of his holdings, which are concentrated in America Movil, Grupo Carso, Inbursa and related companies. Earlier in the 2010s he was ranked the richest person in the world, and his wealth has moved with share prices since. Estimates vary, and this figure is an approximation.

Carlos Slim in 2026: what they’ve been up to

• June 2024: Reportedly bought a 3% stake in British telecom group BT.
• September 2024: Reportedly raised the BT holding to about 4.3%.
• 2026: Ranked among the 20 richest people in the world and the richest in Latin America.
• Philanthropy: Continues to fund the Museo Soumaya in Mexico City and chairs the council restoring the city’s historic center, a role he has held since 2001.

How Carlos Slim makes money

• Telecommunications: America Movil and Telmex, the core of his fortune.
• Grupo Carso: A conglomerate with industrial, retail and construction interests, including the Sanborns chain.
• Finance: Grupo Financiero Inbursa, which grew from the insurance company he bought in 1984.
• Investments: Minority stakes in companies abroad, including Telekom Austria and BT.

Career timeline

1. 1961: Graduated from UNAM and began working as a stock trader.
2. 1965: Founded the brokerage Inversora Bursatil and acquired Jarritos del Sur.
3. 1966: Established the real estate and holding company Inmuebles Carso.
4. 1980: Formed Grupo Galas, later Grupo Carso.
5. 1980s: Bought distressed Mexican companies during the economic downturn, including Sanborn Hermanos (Sanborns) and, in 1984, Seguros de Mexico.
6. 1990: Took Grupo Carso public and, with France Telecom and Southwestern Bell, acquired Telmex during privatization.
7. 2000: America Movil was spun off from Telmex.
8. 2007: Sold much of his Cigatam tobacco stake to Philip Morris for $1.1 billion.
9. 2010 to 2013: Ranked the richest person in the world.
10. 2014: Took control of Telekom Austria, his first major European acquisition.
11. 2024: Built a stake in BT.

Early life and background

Carlos Slim Helu was born on January 28, 1940, in Mexico City to Julian Slim Haddad and Linda Helu Atta, both from Lebanon. His father taught him finance, management and accounting, including how to read financial statements, and he has kept detailed notebooks of his own transactions ever since.

At 11 he invested in a government savings bond and learned about compound interest, and at 12 he bought his first bank shares. At 17 he worked for his father’s company, earning 200 pesos a week. He studied civil engineering at the National Autonomous University of Mexico, where he also taught algebra and linear programming, and he took economics lessons in Chile before starting as a stock trader.

Personal life

Slim has five children.

Carlos Slim net worth FAQ

What is Carlos Slim’s net worth?

Carlos Slim’s net worth is estimated at about $123 billion as of October 2026. Estimates vary.

How does Carlos Slim make money?

Mainly from telecommunications through America Movil and Telmex, and from Grupo Carso and Grupo Financiero Inbursa.

How old is Carlos Slim?

Carlos Slim was born on January 28, 1940, and is 86 years old.

Where is Carlos Slim from?

He was born in Mexico City, to parents who came from Lebanon.

What is Carlos Slim doing now?

He has been building a stake in British telecom group BT, which reportedly reached about 4.3% in 2024, and continues his philanthropy and business interests.

How is Carlos Slim’s net worth estimated?

It is based on the market value of his listed holdings, private stakes and reported deals, and is approximate.

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How we estimate net worth

Our estimates are based on public reporting, company valuations, and deal and earnings figures all compiled in an internal valuation model. They are approximate, and figures change over time as new information emerges.

Last updated: October 2026.