The World the Day You Were Born
World population on your birth year, how much it has grown since, and which generation was running things at the time.
A child born in 2015 arrived into a world of about 7.3 billion, which has grown roughly 10% since — the fastest absolute growth any cohort has been born into.
The World the Day You Were Born
Frequently asked
Is the The World the Day You Were Born free?
Yes. Every tool on AlphaBetaMinds is free, needs no account and has no usage limit.
Does this tool store what I type?
No. It runs entirely in your browser. Your inputs are never sent to our server, and nothing is logged.
How accurate is it?
It uses the McCrindle generation boundaries (Gen Alpha 2010–2024, Gen Beta 2025–2039) and UN World Population Prospects vital rates. Sources and formulas are on our methodology page.
Can I use the result in an article or report?
Yes, with a credit and a link back to this page. See our terms of use for the full licence.
More fun & viral
Guess the Generation from Emoji
Ten emoji sets, one cohort each. A test of whether generational shorthand is…
Top Baby Names by Decade
The names that defined each decade in the United States, with the cohort…
Which Generation Do You Behave Like?
Ten behaviour questions where the birth year is deliberately not one of them,…
Internet Age at Your Birth
Your birth year against the milestones of the online world — the web,…
Cohort Time Capsule
A dated capsule of what is true right now, to open at a…
Generation Nickname Generator
Alternative names for each cohort, some of which should have stuck — describing…
Let Us Guess Your Age
Ten questions about habits, not birthdays. We guess the decade you were born…
Screen Time Confession
Enter your real number and see how it compares with your own generation's…