Charts from public data
One clear chart for every good question.
Chartly is a growing library of clear, interactive charts built from trustworthy public data. Each chart answers one interesting question in plain words, and tells you where the numbers came from.
Every chart makes three promises
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A real source
Each chart cites a public source whose license allows republishing. No source, no chart.
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The data, in the open
You can see the numbers behind every chart, so you can check them for yourself.
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Honest and dated
Every chart carries a date and uses honest axes. No misleading scales, no clickbait.
The chart library
See all charts →Space
6 charts from NASA Exoplanet Archive and NASA/JPL Center for Near Earth Object Studies (CNEOS) · data as of Sep 25, 2026
- Which telescopes have found the most exoplanets?
- How many near-Earth asteroids are discovered each year?
- How do astronomers find planets around other stars?
- How many planets outside our solar system are discovered each year?
- What are the closest asteroid flybys ever recorded?
- How many asteroids pass closer to Earth than the Moon each year?
Medical research
6 charts from NIH RePORTER (National Institutes of Health) · data as of Sep 30, 2025
- How much does NIH spend on medical research each year?
- How much does NIH spend on opioid research?
- Which states get the most NIH research money?
- Which NIH institutes spend the most on research?
- How much does NIH spend researching major diseases?
- How much has NIH's Alzheimer's research funding grown?
Food and drug safety
8 charts from U.S. Food and Drug Administration · data as of Jun 30, 2026
- Why is food recalled?
- Why are drugs recalled?
- Which side effects are reported most for metformin?
- Which side effects are reported most for lisinopril?
- How serious are food recalls?
- How many food recalls are there each year?
- How many drug recalls are there each year?
- Which side effects are reported most for atorvastatin?
Road safety
6 charts from NHTSA Fatality Analysis Reporting System (FARS) and NHTSA Fatality Analysis Reporting System (FARS) and FHWA Highway Statistics (table VM-2) · data as of Dec 31, 2024
- How many people die in traffic crashes in the U.S. each year?
- What share of people killed in cars weren't wearing a seat belt?
- Are U.S. roads getting safer per mile driven?
- Which states have the highest and lowest traffic death rates?
- What share of U.S. traffic deaths involve speeding?
- What share of U.S. traffic deaths involve an alcohol-impaired driver?
National parks
6 charts from National Park Service · data as of Dec 31, 2025
- How many people visit America's national parks each year?
- Which months are busiest in the national parks?
- How many visits does the whole National Park System get each year?
- Which national parks get the most visitors?
- Which National Park Service sites get the most visitors?
- Which national parks grew fastest over 10 years?
Crime
6 charts from FBI Crime Data Explorer · data as of Dec 31, 2025
Earthquakes
6 charts from U.S. Geological Survey · data as of Dec 31, 2025
Clinical trials
7 charts from ClinicalTrials.gov (U.S. National Library of Medicine) · data as of Sep 24, 2026
- How many clinical trials start each year?
- How many finished clinical trials post their results?
- What share of clinical trials do companies run?
- Who runs clinical trials?
- How many clinical trials are in each phase?
- Which diseases get the most clinical trials?
- Which sponsors post their clinical trial results?
Air travel
8 charts from U.S. Bureau of Transportation Statistics · data as of Jul 31, 2026
- What time of day are flights most likely to be delayed?
- Which months have the most flight delays?
- Which months have the most cancelled flights?
- What causes most flight delays?
- Which US airports have the most delayed departures?
- Which US airports have the most cancelled flights?
- Which airlines have the most delayed flights?
- Which airlines cancel the most flights?
College football
8 charts from CollegeFootballData.com · data as of Jan 20, 2026
- Who leads college football's most-played rivalries?
- How often do ranked college football teams lose to unranked teams?
- How many points does a college football team score per game?
- Which college football rivalries have been played the most?
- How often do college football home teams win?
- Which college football conferences won the most games against other conferences over 10 seasons?
- Which college football conference wins the most games against other conferences?
- How many college football games are decided by one score?
Health
21 charts from CDC National Center for Health Statistics · data as of Apr 30, 2026
- How many overdose deaths involve prescription opioids?
- Which drugs are involved in US overdose deaths?
- How many overdose deaths involve methamphetamine?
- How many overdose deaths involve heroin?
- Which age groups have the highest drug overdose death rates?
- How many overdose deaths involve cocaine?
- How does heart disease compare with cancer as a cause of death in the US?
- How has the US heart disease death rate changed since 1900?
- How has the US death rate from flu and pneumonia changed since 1900?
- What do Americans aged 85 and over die of most often?
- What do Americans aged 45 to 54 die of most often?
- What do young Americans aged 15 to 24 die of most often?
- How has the US cancer death rate changed since 1900?
- How long do Americans live, and how has that changed since 1900?
- How many Americans die of drug overdoses each year?
- How has the US teen birth rate changed since 1940?
- What do Americans die of most often?
- How many overdose deaths involve fentanyl and similar drugs?
- Which states have the highest drug overdose death rates?
- At what ages do American women have babies?
- Are more women in their early 40s having babies?
NFL
8 charts from nflverse · data as of Jan 4, 2026
- How many points does an NFL team score per game?
- How often do NFL teams pass instead of run?
- How often do NFL teams try 50-yard field goals?
- How often are 50-yard NFL field goals good?
- How often do NFL home teams win?
- Which NFL teams scored the most points in a season?
- How often do NFL teams go for it on fourth down?
- How often are NFL field goals good from each distance?
Energy
16 charts from U.S. Energy Information Administration · data as of Sep 21, 2026
- How much of US electricity comes from wind?
- Which states get the most electricity from wind and solar?
- How much of US electricity comes from solar?
- How much of US electricity comes from nuclear power?
- Which states get the most electricity from nuclear power?
- Which states get the most electricity from natural gas?
- How much of US electricity comes from hydropower?
- Which states get the most electricity from coal?
- How much of US electricity comes from wind and solar?
- Where does US electricity come from?
- How much has a gallon of gas cost in the US since 1990?
- How much do US homes pay for electricity?
- How much of US electricity comes from natural gas?
- Where in the US is gas most expensive?
- Which states pay the most for electricity?
- How much of US electricity comes from coal?
World
9 charts from World Bank · data as of Dec 31, 2025
- How has the world's population grown since 1960?
- How long do people around the world live, and how has that changed since 1960?
- How fast has the world come online?
- How many people live in each country?
- How long do people live in each country?
- What share of people use the internet in each country?
- How rich is each country, per person?
- What share of people have electricity in each country?
- How do countries compare on wealth, health and the internet?
Climate
8 charts from NOAA National Centers for Environmental Information · data as of Aug 31, 2026
- What were the wettest years on record in the US?
- Which US states have warmed the most?
- How have the last 12 months compared with normal in the US?
- Are US summers getting hotter?
- Is the US getting wetter or drier?
- How much has the US warmed since 1895?
- Which US states are getting wetter or drier?
- What were the hottest years on record in the US?
Baby names
8 charts from U.S. Social Security Administration · data as of Dec 31, 2025
- What is the most popular girls' name in each state?
- What was the most popular girls' name in each decade?
- What is the most popular boys' name in each state?
- What was the most popular boys' name in each decade?
- How many babies get one of the year's 10 most popular names?
- Which baby names are rising fastest?
- Which baby names are falling fastest?
- How many babies were given your name each year since 1880?
College
8 charts from U.S. Department of Education · data as of Jun 30, 2024
- How big is student debt compared with pay, by major?
- How much do graduates of your college owe in student loans?
- Which college majors pay the most?
- What does a year at a public university cost after grants?
- What does a year at a private college cost after grants?
- What does your college cost a family earning under $30,000?
- What does your college cost after grants?
- How much do students from your college earn 10 years later?
Commuting
2 charts from U.S. Census Bureau · data as of Dec 31, 2024
Housing
3 charts from U.S. Census Bureau · data as of Dec 31, 2024
Income and poverty
3 charts from U.S. Census Bureau · data as of Dec 31, 2024
Jobs and wages
4 charts from U.S. Bureau of Labor Statistics · data as of Aug 31, 2026
Inflation
5 charts from U.S. Bureau of Labor Statistics · data as of Aug 31, 2026
Federal budget
9 charts from U.S. Treasury Fiscal Data · data as of Sep 30, 2025
- How big is the US national debt?
- How much federal debt is there per American?
- What interest rate does the US government pay on its debt?
- How much does the federal government spend each year?
- Where does federal spending go?
- How much money does the federal government collect each year?
- Where does federal revenue come from?
- How much does the US government pay in interest each year?
- How big is the federal deficit each year?
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