The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
HomeBusiness & MoneyBillionaireCarlos Slim
Business & Money • Billionaire

Carlos Slim

Carlos Slim Helú is a Mexican business magnate, investor, and philanthropist known for building a large business empire centered on telecommunications through Grupo Carso and América Móvil.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Carlos Slim Helú is a Mexican business magnate, investor, and philanthropist. He built a large business empire centered on telecommunications through Grupo Carso and América Móvil. Born in Mexico City in 1940, Slim was among the world's richest people for many years and was ranked the richest person globally from 2010 to 2013.

Early life and education

Carlos Slim Helú was born in Mexico City in 1940 to Lebanese immigrant parents. He studied at the Universidad Nacional Autónoma de México and graduated in 1961.

Business career

Slim built his fortune through investments and holdings in Mexican companies, especially via Grupo Carso. His businesses expanded into telecommunications, construction, insurance, energy, mining, retail, publishing, and finance.

Telecommunications empire

Slim is closely associated with Telmex and América Móvil, which became central assets in his business portfolio. América Móvil is described as the largest mobile-phone operator in Latin America.

Wealth and rankings

Slim was ranked the richest person in the world from 2010 to 2013. His net worth has remained among the highest globally in later years, according to major wealth rankings.

Philanthropy

Slim has been linked to several philanthropic organizations, including the Telmex Foundation, the Carlos Slim Foundation, and the Historic Center of Mexico City Foundation.

Key facts

  • Carlos Slim was born in Mexico City in 1940 to Lebanese immigrant parents.
  • He built a diversified business empire through Grupo Carso, spanning telecommunications, construction, insurance, energy, mining, retail, publishing, and finance.
  • He controls América Móvil, the largest mobile-phone operator in Latin America.
  • He was the richest person in the world from 2010 to 2013.
  • He has established philanthropic foundations such as the Telmex Foundation and the Carlos Slim Foundation.

Frequently asked questions

Who is Carlos Slim?
Carlos Slim Helú is a Mexican businessman, investor, and philanthropist best known for his telecommunications holdings and Grupo Carso.
When was Carlos Slim born?
He was born on January 28, 1940, in Mexico City, Mexico.
What companies is Carlos Slim associated with?
He is strongly associated with Grupo Carso, América Móvil, and Telmex, among other holdings.
Was Carlos Slim ever the richest person in the world?
Yes. He was ranked the richest person in the world from 2010 to 2013.
What did Carlos Slim study?
He graduated from the Universidad Nacional Autónoma de México in 1961.

References

  1. Encyclopaedia Britannicahttps://www.britannica.com/money/Carlos-Slim-Helu
    Supports: Birth date and place; Mexican entrepreneur; business holdings through Grupo Carso across multiple sectors.
  2. CNNhttps://www.cnn.com/world/carlos-slim-fast-facts
    Supports: Birth details; education; philanthropic organizations; basic biographical facts.
  3. Bloomberghttps://www.bloomberg.com/billionaires/profiles/carlos-slim-helu/
    Supports: Control of América Móvil; major assets; ranking and wealth-related profile information.
  4. Wikipediahttps://en.wikipedia.org/wiki/Portal:Mexico/Selected_biography/9
    Supports: Overview of career; richest-person ranking from 2010 to 2013; business holdings through Grupo Carso.
  5. EBSCO Research Startershttps://www.ebsco.com/research-starters/biography/carlos-slim
    Supports: Biography summary; Lebanese immigrant parents; education; acquisition of undervalued companies after the 1982 crisis.