You must be kidding. $100k a year is more than enough to not think about money (for one person) in all European cities, including London. Except if you suck at personal finance and spend all your money for unnecessary things.

I've lived and worked in two of those cities (and one other almost as expensive european city) for much less than $100k/year. It's a pretty comfortable lifestyle from about $50k upwards.

$100K before taxes is decent salary in London. It's not a lot a lot but that's what a senior developer would make in most companies (excluding financial sector+ some extremely funded shops). Would you stop worrying about money? No,of course not.But you could afford to live in decent area,drive normal car,have some nice holidays in pretty places + put some aside for rainy day.Of course,this is London,so no matter what kind of money you make, there's always someone making x10 times that. But isn't that's the case anywhere?

£80k income puts you in the top 2% of the UK. Something that 98% of people (lower in London but not vastly lower) manage without can hardly be called "table stakes".

At current exchange rates, $100k is about £80k or €88k.

In the UK that pre-tax income would put you well in the 95th percentile.

Post-tax the 97th percentile.