Rent increase is not an indicator of the housing market in our country, like it i s in many others.
The Netherlands is 100% rent-controlled.
The 5% increase is because it's tied to inflation, which makes the last few years an anomaly for rent increases.
But yes we do need to build a lot more. I was just pointing out that saying "the West doesn't build anymore" isn't true, we just can't keep up with massive increases in population due to migration.
Your cities are great though, I love the Netherlands.