Aaron O'Neill
Research expert covering historical data
Detailed statistics
Second World War: fatalities per country 1939-1945
Detailed statistics
WWII: share of total population lost per country 1939-1945
Detailed statistics
WWII: Hiroshima and Nagasaki casualties 1945
WWII: days taken for successful Axis invasions 1939-1941
Number of days taken for the successful Axis invasion of selected countries or territories during the Second World War from 1939 to 1941
WWII: Japanese military wages by rank 1944
Basic monthly wage rates in the Japanese Army during the Second World War in 1944 (in Japanese yen)
Number of visitors to the World War II Memorial in the U.S. 2008-2023
Number of recreational visitors to the World War II Memorial in the United States from 2008 to 2023 (in millions)
Opinion on reparations from Germany for losses caused by WW2 in Poland 2017-2023
Share of people who believe that Poland should demand reparations from Germany for losses caused by World War II from 2017 to 2023
England: most common reasons for not watching the World Cup 2022
Reasons given by adults in England for not watching the 2022 FIFA World Cup as of November 2022
Viewership for ICC Men's World Cup on streaming platform in India 2023
Viewership for International Cricket Council (ICC) Men's World Cup on streaming platform in India in 2023 (in millions)
Second World War: fatalities per country 1939-1945
Estimated number of military and civilian fatalities due to the Second World War per country or region between 1939 and 1945
Search interest score for the Russia-Ukraine war on Google weekly 2022-2023
Search interest score for the term "Ukraine war" on Google from January 2, 2022 to August 5, 2023, by week (peak = 100)
United States: House vote results to declare war 1812-1942
Results of votes to declare war in the United States House of Representatives from 1812 to 1942
United States: Senate vote results when declaring war 1812-1942
Results of votes to declare war in the United States Senate from 1812 to 1942
Number of schools for children and youth in Poland 1990-2023, by type
Number of schools for children and youth in Poland between 1990 and 2023, by type of school
Hungarians' concerns about the Russia-Ukraine war resulting in World War III 2022
How much do you agree with the statement that we are facing World War III?
Average annual tuition for private K-12 schools U.S. 2024, by state
Average annual tuition for private K-12 schools in the United States in 2024, by state (in U.S. dollars)
Opinion of Romanians on responsibility for the outbreak of the war in Ukraine 2022
Who is mainly responsible for the outbreak of the war in Ukraine?
Additional amount Latin Americans would pay for World Cup 5G mobile services 2022
Price people are willing to pay for an unlimited World Cup 5G data package in Mexico and Brazil as of August 2022 (in U.S. dollars)
Number of schools for children with special needs in Germany 2010-2023
Number of schools for children with special needs in Germany from 2010 to 2023*
Public opinion on a six-country FIFA World Cup 2024, by country
Support for a six-country FIFA World Cup as of 2024, by country
World Bank's global development assistance for health 1990-2021, by branch
World Bank's total development assistance for health (DAH) from 1990 to 2021, by branch (in million U.S dollars)
England: favorite location to watch the World Cup 2022
Preferred location for watching the FIFA World Cup among adults in England as of November 2022
Pre world cup game content consumption in the MENA 2022, by platform
Leading platforms for FIFA world cup pre-game content consumption in the Middle East and North Africa (MENA) region in 2022, by platform
Distribution of absentees at primary and secondary schools Japan AY 2021, by cause
Distribution of students who were absent for a long time from primary and lower secondary schools in Japan in academic year 2021, by main cause
Share of adults in England that support a hardship fund following the World Cup 2022
Share of adults in England who believe FIFA/brands should set up a hardship fund for the families of workers who died ahead of the FIFA World Cup in 2022
Number of Palestinian & Israeli casualties caused by the Hamas-Israel war 2023
Number of Palestinian¹ and Israeli² fatalities and injuries caused by war between Hamas and Israel in since October 7, 2023
Tuition fees for international high schools in Greater Jakarta, Indonesia 2023
Annual tuition fees for selected international high schools in Greater Jakarta, Indonesia as of October 2023 (in million Indonesian rupiah)
Number of long-term absentees at primary and secondary schools Japan AY 2012-2021
Number of students who are absent for a long time from primary and lower secondary schools in Japan from academic year 2012 to 2021 (in 1,000s)
Survey on responsibility for the war in Ukraine among European countries 2022
Who is mainly responsible for the outbreak of the war in Ukraine?
Distribution of absentees at primary and secondary schools Japan AY 2021, by reason
Distribution of students who are absent for a long time from primary and lower secondary schools in Japan in academic year 2021, by reason
Territory held by Germany and its allies in mid-1941 during the Second World War
Area of land controlled by Germany and its European allies during the Second World War in mid-1941 (in thousand square kilometers)
Cement output and metal-working tools by major powers during Second World War 1940
Cement output and number of machine tools for working metal by major powers during the Second World War in 1940
Pearl Harbor: Japanese aerial force December 7, 1941
Number of Japanese aircraft mobilized for the attack on Pearl Harbor on December 7, 1941
EU share of world exports and imports 2002-2023
Annual share of world goods imports and exports of the European Union from 2002 to 2023
Reasons for picking up second job India 2023
Employee opinion on picking up second job in India in 2023
Number of pupils in comprehensive schools in Finland 2023, by type of school
Number of pupils in comprehensive schools in Finland in 2023, by type of school
Number of pupils in schools for children and youth in Poland 1990-2023, by school
Number of pupils in schools for children and youth in Poland between 1990 and 2023, by type of school (in 1,000s)
Hungarians on how the world should react to the Russia-Ukraine war 2022
How do you think the world should react to the Russia-Ukraine war?
Support for boycotting the 2022 FIFA World Cup in the U.S. 2022
Public support for the U.S. men's national team boycotting the 2022 FIFA World Cup in Qatar as of November 2022
Sources most used for Russia-Ukraine war news worldwide 2022
News sources paid most attention to for news on the Russia-Ukraine war in selected markets worldwide as of February 2022
UK TV audience for England World Cup games 2022
Average domestic TV audience for selected England games in the FIFA World Cup in 2022 (in millions)
Expectation for the winner of the FIFA World Cup in Africa 2022, by country
Expectation for the winner of the FIFA World Cup among African countries in 2022
World population by age and region 2023
Proportion of selected age groups of world population and in regions in 2023
Number of HIV-infected people by world region 2022
Number of people living with HIV by world region in 2022 (in millions)
New HIV infections by world region 2022
Number of new HIV infections in 2022, by world region (in 1,000s)*
South Korean import share in world imports 2013-2021
Share of imports into South Korea in total world imports from 2013 to 2021
South Korean export share in world exports 2013-2021
Share of exports from South Korea in total world exports from 2013 to 2021
Value of MSCI World USD index 1986-2023
Development of the MSCI World USD index from 1986 to 2023
Number of second hand retail stores in Iceland 2009-2022
Number of enterprises for the retail sale of second hand goods in stores in Iceland from 2009 to 2022
Netball World Cup engagement figures 2023
Key engagement figures for the Netball World Cup in 2023
Share of genetic tests used for precision medicine by world region 2022-2027
Percentage of genetic tests used for precision medicine worldwide from 2022 to 2027, by region
Civilian deaths in Iraq war 2003-2024
Number of documented civilian deaths in the Iraq war from 2003 to 2024
Tuition and fees for the top business schools in the United States 2023
Total tuition and fees for the top 20 business schools in the United States in 2023 (in U.S. dollars)
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