Fertility Impact Calculator
How much a change in global fertility changes the final size of Generation Beta.
At a global fertility rate of 2.2 the world produces about 132.5 million births a year and Generation Beta finishes at roughly 2.10 billion — small changes in fertility move that final figure by hundreds of millions.
Fertility Impact Calculator
Frequently asked
Is the Fertility Impact Calculator 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 gen beta
When Can a Beta Vote?
The first election a Generation Beta child can vote in, by country voting…
Gen Beta Milestone Calculator
Every milestone year for any Generation Beta birth year, from nursery in the…
Beta Share of Population Calculator
What share of any country's population Generation Beta will be at a given…
How Full Is Generation Beta?
How much of the Beta cohort has already been born, and how much…
Beta Content Opportunity Planner
For writers and publishers: which Gen Beta subjects have demand and no supply…
How Much Do You Know About Gen Beta?
Ten questions on the newest generation. Almost nobody scores full marks.
Births Per Second Visualiser
Watch the Beta cohort grow in real time from the moment you open…
Gen Beta Birth Year Range
The full 15-year Beta range with the age each birth year reaches in…