Birth year
Born in 2021? Here's your year in charts
In 2021, the top baby names were Olivia and Liam, a dozen eggs cost $1.67, a gallon of gas cost $3.00, unemployment averaged 5.4%, and the world had 7.92 billion people.
Top baby names of 2021
Girls
From Social Security card applications for babies born in the U.S.; names given to fewer than 5 babies are left out. Pick a name to see how many babies got it every year since 1880.
2021 then vs. now
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A dozen eggs
See the chart$1.67 in 2021, compared with $2.27 in September 2026
Average price of grade A large eggs in U.S. cities.
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A gallon of regular gas
See the chart$3.00 in 2021, compared with $4.36 in September 2026
Average U.S. retail price.
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Unemployment rate
See the chart5.4% in 2021, compared with 4.2% in September 2026
Share of the labor force out of work, the year's average.
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People in the world
See the chart7.92 billion in 2021, compared with 8.22 billion in 2025
World population at mid-year.
Prices are in dollars of the day, not adjusted for inflation. A figure is left out when its chart doesn't cover 2021.
$100 in 2021 buys about as much as $124.35 in September 2026. Try the inflation calculator
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Sources and dates
- Baby names: U.S. Social Security Administration, Baby Names from Social Security Card Applications (national data) (Public domain (U.S. government work)), data as of December 31, 2025
- A dozen eggs: U.S. Bureau of Labor Statistics, CPI Average Price Data (eggs, grade A, large) (Public domain (U.S. government work)), data as of September 30, 2026
- A gallon of regular gas: U.S. Energy Information Administration, Gasoline and Diesel Fuel Update (Public domain (U.S. government work)), data as of September 30, 2026
- Unemployment rate: U.S. Bureau of Labor Statistics, Current Population Survey (Public domain (U.S. government work)), data as of September 30, 2026
- People in the world: World Bank, World Development Indicators: Population, total (CC BY 4.0 (credit the World Bank)), data as of December 31, 2025