![Aaron O'Neill](https://cdn.statcdn.com/static/../CMS/contactperson/ERI2127_1591697938.png)
Aaron O'Neill
Research expert covering historical data
Detailed statistics
Gun ownership in the U.S. 1972-2023
Detailed statistics
U.S. public opinion on a law that bans private handgun possession 1959-2023
Detailed statistics
Number of mass shooting victims in the U.S. and other developed countries 1998-2019
Number of mass shooting victims in the U.S. and other developed countries 1998-2019
Comparison of the annual number of mass shooting casualties in the United States and all other developed countries combined from 1998 to 2019
Share of mass public shooters U.S. 1999-2024, by location/relation to shooting site
Share of mass public shooters in the United States from 1966 to January 2024, by location and existing relationship to the shooting site*
Leading gun control lobby organizations in the U.S., by amount spent 2022
Leading gun control lobby organizations in the United States in 2022, by amount spent (in 1,000 U.S. dollars)
Number of shooting incidents Japan 2017-2023, by firearm type
Number of gun shooting incidents in Japan from 2017 to 2023, by type of firearm
Number of injuries from shooting incidents Japan 2014-2023
Number of injuries resulting from gun shooting incidents in Japan from 2014 to 2023
Share of mass public shooters U.S. 1999-2024, by race and location of shooting
Share of mass public shooters in the United States from 1966 to January 2024, by race and location of shooting*
U.S. spending on gun rights versus gun control lobbying 1998-2022
Funds spent on lobbying for gun control versus lobbying for gun rights in the United States from 1998 to 2022 (in U.S. dollars)
Number of fatalities from shooting incidents Japan 2014-2023
Number of fatalities resulting from gun shooting incidents in Japan from 2014 to 2023
U.S. support for stricter gun control laws 2023, by party
Do you support or oppose stricter gun control laws in the United States?
U.S. mass shooting victims, by fatalities and injuries 1982-2023
Number of victims of mass shootings in the United States between 1982 and December 2023
Worst mass shootings in the U.S., as of December 2023
Number of victims of the worst mass shootings in the United States between 1982 and December 2023
U.S. support for protecting or limiting gun ownership rights 2024
Do you think it's more important to protect or to limit gun ownership rights?
Guns used in mass shootings in the U.S. 1982-2023
Weapon types used in mass shootings in the United States between 1982 and December 2023, by number of weapons and incidents
Americans on gun laws reducing the number of mass shootings 2017
If new gun control laws were passed, do you think it would reduce the number of mass shootings in the U.S.?
Frequency of weight control in Italy 2022, by body mass index
Share of individuals checking their weight in Italy in 2022, by body mass index and frequency
Mass shootings in the U.S. 1982-2023, by state
Number of mass shootings in the United States between 1982 and December 2023, by state
Mass shootings in the U.S. 1982-2023
Number of mass shootings in the United States between 1982 and December 2023
Annual share of AR-15 assault rifles in total U.S. firearm production 1990-2020
Annual share of AR-15 assault rifles in the total number of firearms manufactured in the United States from 1990 to 2020
Mass shootings in the U.S.: shooters by gender, as of December 2023
Number of mass shootings in the United States between 1982 and December 2023, by shooter's gender
U.S. gun laws 2024, by state
Gun laws in the United States in 2024, by state
Mass shootings in the U.S. by shooter’s by race/ethnicity as of December 2023
Number of mass shootings in the United States between 1982 and December 2023, by shooter's race or ethnicity
Leading states for gun law strength in the U.S. 2024
Leading states for gun law strength in the United States as of January 2024 (index score)
IT data center systems total spending worldwide 2012-2024
Information technology (IT) spending on data center systems worldwide from 2012 to 2024 (in billion U.S. dollars)
Opinion on gun control strictness and number of mass shootings in the U.S. 2017
Opinion on the effect of inhibiting legal gun ownership on number of mass shootings in the United States as of 2017, by political party
Number of gun shooting incidents Japan 2014-2023
Number of reported incidents related to firing of firearms in Japan from 2014 to 2023
Total federal drug control spending in the U.S. 2012-2025
Total federal drug control spending in the United States from FY 2012 to FY 2025 (in million U.S. dollars)
Global biggest data breaches 2023, by impact
Most significant incidents of data breach worldwide in 2023, by number of breached accounts (in millions)
Global markets with highest data breach density 2023
Markets with highest data breach density worldwide in 2023 (in breaches per 1,000 individuals)
Americans' fears of becoming a victim of a mass shooting 2015 & 2017
How worried are you that you or someone in your family will become a victim of a mass shooting?
Share of adults who think mass shootings reflect broader problems in society U.S 2023
Do you think mass shootings reflect broader problems in American society, or are they just the isolated acts of troubled individuals?
Share of U.S. adults with select opinions on mass shootings U.S. 2023
Do you think that mass shootings are something that can be stopped or are just a fact of life in the United States today?
Current year in various historical and world calendars 2024
Current year according to various historical and world calendars, as of January 1. 2024
Mobile data and voice tariffs in Russia 2021-2023, by basket
Monthly price of mobile data and voice services in Russia from 2021 to 2023, by basket (in U.S. dollars)
Mobile data and internet prices in Portugal 2021-2023, by basket
Mobile data and internet prices in Portugal from 2021 to 2023, by basket (in U.S. dollars)
Leading data center operators for cloud on-ramps worldwide 2023, by region
Leading data center operators for cloud on-ramps in data centers worldwide in 2023, by region
Data collection preferences of insurance customers in the UK 2024
Share of insurance customers comfortable with their data being collected and analyzed by their insurer in the United Kingdom in 2024
Importance of collecting selected behavioral data in marketing worldwide 2024
Importance of collecting selected behavioral data as perceived by marketers worldwide as of January 2024
Behavioral data marketers collect worldwide 2024
Share of marketers who collected selected behavioral data worldwide as of January 2024
Distribution of data leaks in Russia 2023, by industry
Distribution of incidents related to leaks of confidential data of companies in the database format in Russia in 2023, by industry
Print personalizations' top 1st-party data sources for marketers in the U.S. 2024
Leading first-party data sources for print vendors' personalized communications according to marketers in the United States as of the 1st quarter of 2024
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
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
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
U.S. beliefs on how Democratic and Republican gun policies impact safety 2023
Share of Americans with various beliefs on how gun policy by the Democratic Party and gun policy by the Republican Party impacts people's safety from gun violence in the United States in 2023
Selected figures on the pest control industry in the U.S. 2020-2023
Selected figures on the pest control industry in the United States from 2020 to 2023
Global figure of hyperscale data centers 2015-2023
Number of hyperscale data centers worldwide from 2015 to 2023
Average monthly data volume per mobile internet user in Germany 2009-2023
Average monthly data volume per mobile internet subscription* in Germany from 2009 to 2023 (in gigabytes)
Annual mobile monthly data usage worldwide 2012-2029
Annual mobile data traffic worldwide from 2012 to 2029 (in exabytes per month)
Global online users concerns about misuse of personal data Q3 2020-Q4 2023
Share of internet users worldwide concerned about misuse of their personal data from 3rd quarter 2020 to 4th quarter 2023
Mon - Fri, 9am - 6pm (EST)
Mon - Fri, 9am - 5pm (SGT)
Mon - Fri, 10:00am - 6:00pm (JST)
Mon - Fri, 9:30am - 5pm (GMT)
Mon - Fri, 9am - 6pm (EST)