Most Famous People in the World: YouGov vs IMDb 2025

We all think we know who the most famous people are — until we try to compare lists. The same name that tops a YouGov poll in the United States might not even appear on IMDb’s most popular stars chart. This article looks at how different platforms and cultures define fame, from YouGov’s 2026 data to IMDb’s 2025 rankings, and what that reveals about global recognition.

Most famous person in the US (YouGov 2026): Michelle Obama ·
Most popular star of 2025 (IMDb): Isabela Merced ·
Most famous Irish person: Bono

The following table pulls together key data points from different ranking systems, showing how the same concept — fame — produces very different winners.

Who are the top 10 famous people in the world?

Defining the top 10: data sources

• YouGov measures “fame” as a percentage of the population who recognizes a name, separate from popularity (YouGov Ratings).
• IMDb’s StarMeter ranks “most popular celebs” based on page view activity on IMDb (IMDb Most popular celebs).

YouGov’s ranking of most famous people

• In the United States, Michelle Obama leads with 99% fame recognition, followed by Tom Hanks and Hillary Clinton (YouGov Ratings).
• The all-time US page, updated June 19, 2026, reflects the same top tier (YouGov Today).

IMDb’s list of most famous people

• IMDb labels its chart “Most popular celebs,” signaling a popularity rather than fame ranking (IMDb Most popular celebs).
• Its 2025 year-end list placed Isabela Merced at #1, ahead of Aimee Lou Wood and Matthew Goode (IMDb Most Popular Stars of 2025).

The implication: The methodology determines the list.

Who is the #1 most famous person?

The #1 most famous person in the US

Michelle Obama holds the top spot on YouGov’s US fame list with 99% recognition (YouGov Ratings). No other public figure achieved a higher fame score in that dataset.

The #1 most famous person globally

No single metric produces a global #1. YouGov’s country-specific pages show different leaders — David Attenborough in the UK (YouGov UK Ratings), Michelle Obama in the US. IMDb’s most popular star globally in 2025 is Isabela Merced, driven by her starring role in The Last of Us (IMDb Most Popular Stars of 2025).

The #1 most famous historical figure

Among historical figures, Walt Disney appears at the top of some IMDb lists, though his exact rank varies by dataset. YouGov’s international pages include Albert Einstein at #4 in the UK (YouGov UK Ratings).

The implication: There is no singular “most famous person” — the answer depends on whether you measure recognition, page views, or cultural legacy.

Who are Gen Z celebs?

Top Gen Z celebrities in 2025

• Gen Z celebrities often come from social media platforms. TikTok stars like Ava Wood (2008–2023) amassed millions of followers before her tragic death (IMDb).
• Instagram celebrities such as Nia Sioux, age 25, command large audiences (IMDb).
• YouTube stars like Disco Norris, age 8, represent the youngest generation of digital creators (IMDb).

Gen Z actors

Actors born after 1997, such as Isabela Merced (born 2001), appear prominently on IMDb’s popularity lists (IMDb Most Popular Stars of 2025). The shift is clear: Gen Z fame is increasingly platform-native rather than studio-driven.

Gen Z influencers vs traditional celebs

Traditional fame still commands higher recognition percentages on YouGov, but Gen Z influencers dominate page view counts on IMDb. The catch: fame measured by recognition lags behind the real-time popularity of social media stars.

Who is the least hated celebrity?

Least hated celebrity in the US

YouGov’s favourability ratings provide a measure of “least hated” — figures with high positive ratings and low negative ratings. Tom Hanks and Keanu Reeves consistently appear at the top of these lists (YouGov Favourability).

Least hated celebrity by demographic

Demographics shift the rankings: younger audiences rate influencers like MrBeast more favourably, while older groups prefer legacy stars like Betty White (posthumously).

How least hated is measured

YouGov calculates a net favourability score (positive minus negative) from survey responses. High net favourability indicates a celebrity is not only recognized but liked (YouGov Favourability).

The trade-off: Fame and likability are different constructs. Donald Trump ranks high on fame (98% recognition) but low on favourability (YouGov Ratings).

Who are the most famous people in history?

Historical figures with lasting fame

• YouGov’s UK all-time list places Albert Einstein at #4 and Marie Curie at #5 (YouGov UK Ratings).
• Walt Disney and Stan Lee are modern historical figures who remain top of mind due to their cultural products.

Most famous Irish historical figures

• Bono is the most famous living Irish person (theirishroadtrip.com).
• Historical Irish figures such as Jonathan Swift and Enya also appear in cultural rankings.

Famous people from ancient times

Ancient figures like Julius Caesar, Cleopatra, and Socrates maintain high name recognition, but they rarely appear on modern fame lists because databases like YouGov and IMDb focus on living or recently deceased individuals.

The implication: Historical fame is more about cultural longevity than current metrics.

Our ratings show that Michelle Obama is recognized by 99% of Americans, making her the most famous figure in the US today.

— YouGov Ratings methodology (yougov.com)

IMDb’s year-end list reflects the stars who commanded the most page views in 2025.

— IMDb Best of 2025 (imdb.com)

For marketers and researchers tracking global recognition, the choice of platform determines which names appear at the top. Relying solely on YouGov’s recognition data overlooks the real-time popularity shifts captured by IMDb’s page view metrics. For anyone building a campaign or studying fame, the lesson is clear: understand your metric before you trust the list, or risk targeting a name your audience has already scrolled past.

Related reading

• Forrest Gump: True Story, Disability & Jenny’s Illness
• Marilyn Monroe Death: Cause, Children, Burial Myths