[slaw]

> near-instantly increase in fertility rate by huge amounts over the next couple of years

Nothing like this on Wikipedia. Do you have a better link?

https://en.wikipedia.org/wiki/Human_population_projections

[Night_Thastus]

That's the population project, not the fertility projection - which means it will appear smooth. However, I can no longer find the original data I was looking at, so I can't back myself up either.