Aaron O'Neill
Research expert covering historical data
Detailed statistics
Populations of the United States and Soviet Union during the Cold War 1970-1990
Detailed statistics
Ethnic composition of the USSR's population 1989
Detailed statistics
Life expectancy at birth in the U.S. and Soviet Union 1970-1988, by gender
American Civil War: population of the Union states 1860-1870
Population of the Union States before and after the American Civil War in 1860 and 1870 (in 1,000s)
Population of the Confederate States in the American Civil War 1860-1870
Population of the Confederate States before and after the American Civil War in 1860 and 1870 (in 1,000s)
Number of casualties in major battles in the American Civil War 1861-1865
Number of casualties in major battles in the American Civil War from 1861 to 1865
Value of U.S. agricultural exports to the former Soviet Union 1990-2023
Value of U.S. agricultural exports to the former Soviet Union* from 1990 to 2023 (in billion U.S. dollars)
Number of casualties at the Battle of Gettysburg 1863
Number of casualties at the Battle of Gettysburg in the American Civil War in 1863
Number of casualties at the Siege of Vicksburg 1863
Number of casualties at the Siege of Vicksburg in the American Civil War in 1863
Number of casualties at the Battle of Shiloh 1862
Number of casualties at the Battle of Shiloh in the American Civil War in 1862
Number of casualties at the Battle of Chickamauga 1863
Number of casualties at the Battle of Chickamauga in the American Civil War in 1863
Number of casualties at the Battle of Chancellorsville 1863
Number of casualties at the Battle of Chancellorsville in the American Civil War in 1863
Number of casualties at the Battle of Antietam 1862
Number of casualties at the Battle of Antietam in the American Civil War in 1862
Doomsday Clock: minutes to midnight each year 1947-2024
Minutes to midnight on the Doomsday Clock every year from 1947 to 2024
Nuclear warhead inventory per country 1945-2023
Estimated number of nuclear warheads per country in each year from 1945 to 2023
Populations of the United States and Soviet Union during the Cold War 1970-1990
Total population of the United States and the Soviet Union in select years between 1970 and 1990 (in millions)
Average change in internet traffic in Israeli cities following Israel-Hamas war 2023
Average change in internet data usage in Israel following the outbreak of Israel-Hamas war from September to November 2023, by city
All-time biggest online data breaches 2024
Most significant cases of data breach worldwide as of January 2024 (in millions), by number of compromised data records and individuals impacted
Abortion rate in the U.S. and Soviet Union 1970-1989
Abortion rate in the United States and Soviet Union in selected years between 1970 and 1989 (rate per 100,000 population)
Number of Palestinian & Israeli casualties caused by the Hamas-Israel war 2023
Number of Palestinian¹ and Israeli² fatalities and injuries caused by the war between Hamas and Israel since October 7, 2023
Nuclear warhead stockpile of the UK 1953-2024
Nuclear warhead stockpile of the United Kingdom from 1953 to 2024
Global markets with highest data breach density 2023
Markets with highest data breach density worldwide in 2023 (in breaches per 1,000 individuals)
Global biggest data breaches 2023, by impact
Most significant incidents of data breach worldwide in 2023, by number of breached accounts (in millions)
Economic growth of the Soviet Union in select periods 1966-1985
Growth of the Soviet Union's national income, industrial output and agricultural output in select five year periods between 1966 and 1985
Current year in various historical and world calendars 2024
Current year according to various historical and world calendars, as of January 1. 2024
Daily internet usage in Israel before and after Israel-Hamas war 2023, by volume
Daily average internet data usage in Israel before and after the outbreak of Israel-Hamas war from September to November 2023, by volume (in gigabytes)
EU importance of improved digital technologies for data protection 2023
Opinion of adults in the European Union on the importance of improved digital technologies for data protection as of March 2023
Largest deals for data center property sales in Europe 2023-2024
Largest data center property and site sale deals in Europe from 1st half 2023 to 1st half 2024
Biggest data breaches global in 2024
Largest data breach incidents disclosed worldwide in 2024
Share of union and non-union civilian workers access to federal benefits U.S. 2024
Share of union and non-union civilian workers with access to federal benefits in the United States in March 2024, by benefit type
Meta's global water withdrawals 2023, by data center
Data center water withdrawals by Meta in 2023, by leading units (in million liters)
Impact of data privacy laws on digital advertising in the U.S. 2024
Impact of data privacy laws on digital advertising in the United States as of July 2024
Reasons to collect mobile app data from global iOS users 2024
Function of data collected by mobile app publishers via iOS apps from users worldwide as of September 2024
Types of data stolen from companies in Germany 2024
What was the kind of digital data stolen in your company, among the following types?
Number of data compromises and impacted individuals in U.S. 2005-2023
Annual number of data compromises and individuals impacted in the United States from 2005 to 2023
Largest deals for data center property sales in the U.S. 2023
Largest data center property sale deals in the United States in 2023
Companies using big data South Korea 2022, by type of analyzed data
Usage of big data technology and services among companies in South Korea in 2022, by type of analyzed data
Death rate in the U.S. and Soviet Union 1970-1989
Death rate in the United States and Soviet Union in select years between 1970 and 1989 (rate per 100,000 population)
Life expectancy at birth in the U.S. and Soviet Union 1970-1988
Life expectancy at birth in the United States and Soviet Union in select years between 1970 and 1988
Number of reunited family members divided by the Korean War 2000-2023
Number of reunited South and North Korean family members divided by the Korean War from 2000 to 2023
Impact of Russia-Ukraine war on business activity in Poland 2024, by sector
Negative effects of the ongoing war in Ukraine and its impact on business activity in Poland as of October 2024, by sector
Biggest data breaches in the UK 2024, by impact
Most significant data breaches in the United Kingdom (UK) as of September 2024, by impact
Number of large-scale data breaches in the U.S. healthcare industry 2009-2024
Number of healthcare data breaches involving the loss of 500 or more records in the United States from 2009 to 2024 YTD
Market cap of data center REITs in the U.S. 2024
Market capitalization of the leading data center real estate investment trusts (REITs) in the United States as of August 2024 (in billion U.S. dollars)
All-time biggest financial data breaches worldwide 2024
Largest data breaches in the financial industry worldwide as of September 2024, by number of compromised records
Number of data centers APAC 2024, by country
Number of data centers in the Asia-Pacific region in 2024, by country or territory
Data center average rental rate in the U.S. 2013-2024
Average monthly rental rate at data centers in primary United States markets from 2013 to 2024 (in U.S. dollars per kilowatt)
Leading mobile Android app audience and data intelligence SDKs 2024
Most popular installed audience and data intelligence software development kits (SDKs) across Android apps worldwide as of September 2024
Mobile data provider market share in the Netherlands Q2 2024, by operator
Distribution of mobile data usage in the Netherlands in the 2nd quarter 2024, by operator
iOS apps that declared collecting global users private data 2024
Share of mobile iOS apps that have reported collecting privacy data from users worldwide as of September 2024
Largest data breaches in France 2024
Most significant data breaches in France from May 2018 to September 2024
Global online users concerns about misuse of personal data Q2 2024, by country
Share of internet users worldwide concerned about improper use of their personal data as of 2nd quarter 2024, by country
U.S. Data center inventory 2021-2024, by primary market
Total inventory in primary data center markets in the United States in second half 2021 and first half 2024 (in megawatts)
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