If I had already established a career and wanted to settle down I'd probably like NZ more, but I feel like I'm missing out by being in NZ compared to somewhere

If I had already established a career and wanted to settle down I'd probably like NZ more, but I feel like I'm missing out by being in NZ compared to somewhere more populous like the US or Europe. How old are the people you're talking to? For reference, I'm 23 and just started my career.