About populationclock.org

populationclock.org is an independent project that turns the United Nations’ long-range population projections into something you can actually explore. The headline numbers (“8 billion people”, “India is now the most populous country”) hide a far more interesting story underneath: which countries are still growing, which have quietly begun to shrink, and when the global population itself will stop rising.

The site combines a live population counter with detailed country profiles, population “crossovers” (the moments one country overtakes another), and rankings that run all the way out to the year 2100. Every figure traces back to a single, openly licensed source: the UN World Population Prospects.

Why I built it

I built this because demographic change is one of the most powerful and least appreciated forces shaping the century ahead, and because the existing tools either stop at today’s numbers or bury the projections in spreadsheets. I wanted a place that made the long view legible: clear charts, plain-English explanations, and an honest acknowledgement of uncertainty.

It is also a labour of curiosity. Watching Nigeria close in on the United States, or seeing dozens of countries slip past their population peak, changes how you think about the world. This site is an attempt to share that.

How it works

The whole site is static: the UN data is processed once into clean datasets, and every page (the live counter, the charts, the projections) is generated from those numbers. There is no tracking-heavy analytics, no paywall, and no login. Read the methodology for exactly how the projections are derived, and the sources page for full attribution.

Get in touch

Spotted an error, or want a country or comparison added? I’d genuinely like to hear from you. See the contact page.