List of largest peaceful gatherings in history

This is a list of the largest historic peaceful gatherings of people in one place for a single event. For brevity, only gatherings in excess of 1 million are recorded.

20 million and over

• An estimated over 30 million people bathed at the Triveni Sangam in Allahabad for the Maha Kumbh Mela on 10 February 2013.

• An estimated 26 million people gathered in Karbala, Iraq for the Arba'een on 4 December 2015, according to the country's transport minister Baqir Jabr al-Zubeidi.

• An estimated from 20-22 million pilgrims gathered in Karbala, Iraq for the Arba'een on 13 December 2014.

10 million and over

An estimated 15-18 million Shia Muslims gathered at Imam Husayn Shrine in Karbala (Iraq) in 2013

• An estimated 15-18 million and over people visited the shrine of Husayn ibn Ali in Karbala, Iraq during Arba'een in January 2013.
• An estimated 15 million and over people visited the shrine of Husayn ibn Ali in Karbala, Iraq during Arba'een in 2012.
• An estimated 15 million people visited the shrine of Husayn ibn Ali in Karbala, Iraq during Arba'een in 2011.
• An estimated 15 million people attended the funeral of C. N. Annadurai in Tamil Nadu, India in 1969.
• An estimated 12 million people visited the shrine of Imam Musa al-Kadhim seventh Imam of Shia in Kadhimiya, Iraq during martyrdom of Imam Musa al-Kadhim in 2015.
• An estimated 10 million people visited the shrine of Husayn ibn Ali in Karbala, Iraq during Arba'een in 2010.
• An estimated 10 to 14 million people visited the shrine of Husayn ibn Ali in Karbala, Iraq during Arba'een in 2009.

5 million and over

• Around 7-9 million gathered in Karbala, Iraq to commemorate the martyrdom anniversary of Imam Hussein in October 2015.
• An estimated 5 to 6 million attended the Concluding Eucharistic Celebration in Manila on the Feast Day of Santo Niño, Sunday, 18 January 2015, ending the 5-day apostolic and state visit of Pope Francis in the Philippines, making it as the largest papal crowd in history, surpassing the previous record (listed below).
• Over 5.5 million turn up for Nazarene parade ahead of papal visit for Traslación of the Black Nazarene 2015 in Manila, Philippines.
• Over 5 million people attended the World Youth Day 1995 in Manila, Philippines, to see Pope John Paul II. Formerly the largest papal crowd in history, it was surpassed on 18 January 2015 during Pope Francis' visit to the Philippines.

Two to five million

• An estimated 5 million people attended the funeral of Egyptian President Gamel Abdel Nasser on 1 October 1970 in Cairo, Egypt.
• An estimated 5 million people gathered in Sabarimala, India on 14 January 2007.
• An estimated 4.4 million people marched in a series of rallies that took place across France on 10 January (around 700 000 people) and 11 January 2015 (around 3,7 million people) against terrorism and to support the freedom of speech, after the Charlie Hebdo shooting, the Montrouge shooting, and the Porte de Vincennes siege.
• An estimated 4.2 million people attended a concert given by Rod Stewart in Rio de Janeiro, Brazil on 1994-12-31.
• An estimated 4 million people attended the funeral of Umm Kulthum in Cairo, Egypt on 6 February 1975.
• An estimated 3.5 million people attended the concert given by Jean-Michel Jarre for the celebration of the 850th birthday of Moscow, in 1997.
• An estimated 3.16 million people made the annual Hajj to Mecca, Saudi Arabia in 2012 (1.4 million from Saudi and 1.75 Foreigners)
• An estimated 3.2 million people gathered for the annual feast of the Santo Niño de Cebú (Holy Child [Jesus] of Cebu) on the third Sunday of January 2014. The crowd attended the solemn procession in the main streets of Cebu City, Philippines.
• More than 3 million devotees had gathered in the first Nabakalebara Ratha Yatra of the millennium in Puri,India which took place after a gap of 19 years.
• More than 3 million people protested in the Circus Maximus, Rome, on 23 March 2002, in a demonstration organized by the left-wing trade union CGIL, led by Sergio Cofferati, against the labour reform promoted by the conservative government of Silvio Berlusconi.
• An estimated 3 million people gathered for the funeral of Ayatollah Khomeini in Tehran in 1989.
• An estimated 3 million people marched through Rome, Italy in opposition to the U.S.-led invasion of Iraq in the largest anti-war rally in history on 15 February 2003.
• An estimated 2 million people gathered at Hussani Chuk Skardu, Baltistan Pakistan on 09 Aug 2013 Asad Ashura Shia Muslims gathered to commemorate Majlis of Imam Hussain.
• An estimated 2 million people gathered at Raja Bazaar, Rawalpindi on 24 December 2013 after threats from Takfiri groups due to Ashura riots Shia Muslims gathered to commemorate Chehlum of Imam Hussain. Takfiris despite all their threats had to retreat.
• The Bengali gathering, called Bishwa Ijtema (World Gathering) of Tablighi Jamaat, converges followers from around the world in Tongi near Dhaka, Bangladesh and with an attendance exceeding 3 million people.
• An estimated 3 million people welcomed Benazir Bhutto on her return from exile in 1986 in Lahore. The procession covered the 12 kilometer distance from the Lahore airport to Minar e Pakistan in over ten hours. The crowd accumulated at gardens of the landmark accommodated over 1.5 million people with queues of cars and trucks reaching outside the then city limits miles away.
• An estimated 3 million people attended the closing Mass of World Youth Day 2013 on Copacabana beach in Rio de Janeiro, Brazil. Over 2 million people also gather there yearly on the night of 31 December, making of it the world's largest New Year's Eve party.
• An estimated 3 million people gathered in London, United Kingdom on 2 June 1953 to celebrate the Coronation of Queen Elizabeth II.
• An estimated 3 million people attended a parade in Boston, United States, celebrating the Boston Red Sox's 2004 World Series victory on 30 October 2004. The victory ended an 86-year drought of World Series championships and ended the era of the famous Curse of the Bambino for the Red Sox.
• An estimated 3 million people attended the annual feast of the Black Nazarene in Manila, Philippines, in January 2008.
• An estimated 2 to 4 million people are reported to have attended the funeral of Pope John Paul II in Rome, Italy on 7 April 2005.
• An estimated 2.8 million people made the annual Hajj to Mecca, Saudi Arabia (excluding unregistered pilgrims which were over 0.75 million, the number of pilgrims would then be over 3.5 million) in November 2010.
• An estimated 2.5 million people participated in Art of Living Silver Jubilee Celebration at Bangalore, India.
• An estimated 2.5 million people participated in a beatification mass held by Pope John Paul II in Błonia Park, Kraków, Poland.
• An estimated 2.5 million people participated in the São Paulo Gay Pride Parade that took place in June 2006 in São Paulo, Brazil.
• An estimate of over 2 million people attended a parade and rally in Chicago, Illinois, United States for the 2013 Stanley Cup Champion Chicago Blackhawks.
• An estimated 2 million people attended President of Turkey Recep Tayyip Erdogan's "Yenikapi Meeting" in Fatih, İstanbul just a week before Turkish local elections, 2014
• An estimated 2 million people gathered in Philadelphia, USA for the Stanley Cup parade for the 1974 Stanley Cup Champions, the Philadelphia Flyers.
• An estimated 2 million people attended the state funeral of the assassinated President of Bangladesh Ziaur Rahman on 2 June 1981.
• An estimated 2 million people are reported to have gathered in Madrid, Spain for a parade celebrating the success of the Spain national football team in the 2010 FIFA World Cup.
• An estimated 2 million Hindu women gathered at the Attukal Temple in Kerala, India on 4 March 2007, making it the largest gathering of women in history, overtaking the record set by the same festival on 23 February 1997.
• On 25 May 2010, an estimated 2 million people gathered at the 9 de Julio avenue in Buenos Aires, Argentina, to attend several concerts and street art parades celebrating the Bicentennial of the May Revolution.
• The funeral of Bal Thackeray: 2 million, and a 7 km long cortege.

One to two million

• The Tablighi Ijtema held on 4 and 5 May 2015 in Bulandshahr in Uttar Pradesh State of India witnessed a jama'at (gathering) of an estimated 1-1.5 million men. The people not only gathered but were also served meals, all of which was volunteered by the common people of nearby areas. It served as a great example of management, being carried out completely by numerous volunteers from the Muslim community of the area with negligible government involvement.
• An estimated 1.5-2 million people in Hong Kong (the city at the time had a population of roughly 5.5 million) expressed their support for the students in the Tiananmen Square protests of 1989. The line of people extended from North Point to Sheung Wan, with all six lanes of King's Road (Hong Kong), Hennessy Road and Des Voeux Road crowded with people. Many underground MTR stations on Hong Kong Island were full of people and many people who could not participate in the demonstration above ground were stuck in the congested MTR stations, therefore the exact amount of demonstrators could only be estimated to around 1.5-2 million people.
• Security officials estimated that 1.8 million people attended the inauguration of Barack Obama in Washington, D.C. on 20 January 2009.
• An estimated 1.8 million people claimed Catalan independence in Barcelona, 11 September 2014, drawing a 11 km. "V" shaped Catalan flag with their red & yellow T-shirt.
• An estimated 1.75 million people attended a parade in Chicago, Illinois, United States for the 2005 World Series champion Chicago White Sox.
• An estimated 1.6 million people (30 percent of Lebanon's 4 million population) gathered in Beirut, Lebanon on 14 March 2005 to demand an end to the Syrian military presence in Lebanon. This event is known as the Cedar Revolution.
• An estimated 1.2–1.6 million people, including several heads of state, marched in Paris (with a total of 3.7 million marching across the world) on 11 January 2015 for an anti-terrorism rally in the aftermath of the Charlie Hebdo shooting; the gathering was the largest in French history.
• The second largest Tabligh Jamaat gathering takes place in Raiwind, Pakistan which is attended by approximately 1.5 million people. Since 2011 Pakistan divided the Ijtema into two parts and total 1 million People attend the Ijtema.
• An estimated 1.5 million people were at 2013's San Francisco Pride, in the wake of the Supreme Court decisions on DOMA and Proposition 8.
• An estimated 1.5 million people attended the Live 8 concert in Philadelphia, PA 2 July 2005.
• An estimated 1.5 million people claimed the independence of Catalonia in Barcelona, 11 September 2012. More info: 2012 Catalan independence demonstration.
• An estimated 1.25 million people attended a Papal mass given by Pope John Paul II in the Phoenix Park, Dublin, Ireland on 29 September 1979. The estimated attendance was about one third of the population of Ireland gathered in one expansive public area.
• An estimated crowd of 750 thousand to 1.5 million people gathered in Central Park in New York City on 22 April 1990 to celebrate Earth Day.
• On 12 June 1982, an estimated one million people demonstrated in New York City's Central Park against nuclear weapons and for an end to the cold war arms race as part of an ongoing campaign of anti-nuclear protests in the United States. It was the largest anti-nuclear protest and the largest political demonstration in American history.
• An estimated 1.2 million people attended the Yoido rally of Sun Myung Moon in Yoido, South Korea in 1975
• An estimated more than 1 million attended the funeral of Italian Communist Party leader Enrico Berlinguer on 13 June 1984 in Rome
• An estimated 1 million gathered in London, England for the wedding of Charles, Prince of Wales, and Lady Diana Spencer on 29 July 1981.
• An estimated 1 million gathered in London, England for the funeral of Diana, Princess of Wales on 6 September 1997.
• An estimated 1 million gathered in London, England for the wedding of Prince William and Catherine Middleton on 29 April 2011.
• An estimated 1 million people gathered in The Mall outside Buckingham Palace in London for the Golden Jubilee celebrations of Queen Elizabeth II on 4 June 2002.
• An estimated 1 million people participated in what is considered the largest procession in the history of New Delhi, India on 8 October 1970 in commemoration of Hans Ji Maharaj, led by his son Guru Maharaj Ji (now Prem Rawat).
• An estimated crowd of over 1 million revelers attended Love Parade in Essen, Germany on 25 August 2007.
• An estimated crowd of over 1 million Colombians gathered in Bogotá, Colombia on 4 February 2008 to protest against FARC.
• On 1 March 1990, over 1 million protesters gathered at the headquarters of the UN Military Observer Group in Srinagar, Jammu & Kashmir to present a memorandum addressed to the Secretary-General of the United Nations demanding that Kashmir be given the right of self determination.
• An estimated one million Catholics gathered for the mass at Saint Peter's Square, to celebrate John Paul II's beatification on 1 May 2011
• An estimated 1.4 million attended World Youth Day 2011 (16–21 August) in Madrid
• Millions of Iranians participated in nationwide demonstrations and marches through Tehran and many other key cities across Iran on 11 February 2014, celebrating the 35th anniversary of the Iranian Revolution.
• An estimated 2 million Filipino nuns, soldiers, priests, and different people gathered for the People Power Revolution 1986 (EDSA I) held at EDSA in the Philippines, resulting in the downfall of President Ferdinand Marcos.
• An estimated 2 million Filipino people attended the funeral processions of Benigno Aquino, Jr. in 1983 and Corazon Aquino in 2009.
• An estimated 1 million members of the Iglesia ni Cristo attended the 100th anniversary celebrations of the church on 27 July 2014 in Ciudad de Victoria, Bocaue, Bulacan.
• An estimated 0.9 million Muslim gather in 28 safar mochi gate old Lahore in 2014
• During Patidar reservation agitation, the demonstration on 25 August 2015 in Ahmedabad, India was attended by people over half a million.

Methodology

One method of determining how many people are at an event is the scientific analysis of photographs, video images, or both. Based on the quality of the image, it is possible to do a physical head count or to estimate attendance based on the density of people within similar areas. This permits the estimation of people over large areas or where parts of the image are obscured. An extensive discussion of how images were used to estimate the number of attendees at the Million Man March can be found at the Center for Remote Sensing at Boston University's website.