The All-Time Worst People in History

Voting Rules
Horrible, real (not fictional) people who have committed historical crimes. No celebrities (actors, TV personalities, musicians, athletes) or politicians you disagree with.

The absolute worst people in history, ranked by the wisdom of the crowd. Who are the worst people in history? This list includes mass-murdering dictators, psychopathic serial killers, sociopathic religious leaders, insane politicians, deceptive political commentators, infamous historical figures, and bad people make our eyes and ears bleed. Who are the worst people of all time? This human scum has incited genocide, executed ethnic cleansing, enslaved entire races of people, practiced cannibalism, orchestrated arbitrary homicide, and brainwashed people who trusted them. In short, these are some of the most evil people in history.

Anyone can vote on this list of vile villains and evil lunatics, making it an accurate, real-time ranking of the world's worst people ever. Call out history's most terrible people, and see how your picks stack up against everyone else's. Which names do you expect to see related to the top 10 most hated people or even the meanest person in the world?

Ranked by
  • Adolf Hitler
    Dec. at 56 (1889-1945)
    149,177 votes
    • Birthplace: Braunau am Inn, Austria
    Adolf Hitler (German: [ˈadɔlf ˈhɪtlɐ] (listen); 20 April 1889 – 30 April 1945) was a German politician and leader of the Nazi Party (Nationalsozialistische Deutsche Arbeiterpartei; NSDAP). He rose to ...more
  • Jihadi John
    5,337 votes
  • Khalid Sheikh Mohammed
    7,519 votes
    • Birthplace: Balochistan, Pakistan, Pakistan
    Khalid Sheikh Mohammed (sometimes also spelled Khalid Shaikh Mohammed; among at least fifty pseudonyms; born March 1, 1964; or April 14, 1965) is a Pakistani Islamist militant held by the United ...more
  • Mullah Omar
    3,708 votes
    • Birthplace: Deh Rahwod District
    Mullah Mohammed Omar (Pashto: ملا محمد عمر‎, Mullā Muḥammad 'Umar; c. 1960 – 23 April 2013), widely known as Mullah Omar, was an Afghan mujahideen commander who founded the Islamic Emirate of ...more
  • Abubakar Shekau
    3,657 votes
    Abubakar Shekau, also known by the alias Darul Akeem wa Zamunda Tawheed, or Darul Tawheed, is the leader of the Nigerian Islamist militant group Boko Haram. He served as deputy leader to the group's ...more
  • Ayman al-Zawahiri
    4,924 votes
    • Birthplace: Maadi, Egypt
    Ayman Mohammed Rabie al-Zawahiri (Arabic: أيمن محمد ربيع الظواهري‎ ʾAyman Muḥammad Rabīʿ aẓ-Ẓawāhirī; born June 19, 1951) has since June 2011 been the leader of al-Qaeda, succeeding Osama bin Laden, ...more