I'd say no. A pyramid has a wide base. The problem is the population shape is more of one of a christmas tree. The top is narrow, and it widens at the middle, t

I'd say no. A pyramid has a wide base. The problem is the population shape is more of one of a christmas tree. The top is narrow, and it widens at the middle, then you have a trunk that is more narrow. https://en.m.wikipedia.org/wiki/Demographics_of_the_United_Kingdom https://en.m.wikipedia.org/wiki/Demographics_of_the_United_K... The UK doesn't even have that terrible of shape compared to many western countries, but a lot of that is because of immigration. Countries like Japan, S. Korea, and Italy are going to have far worse problems.