I’ve visited the UK quite recently and it struck me how many people do have really dark hair (Id say 70-80% of males I came across had either darkbrown/black or plain brown hair) in the Isles , and brown eyes were far commoner than I though… In the area of southern england and wales I stayed about half of the people had brown or hazel eyes…, I thought Britain was a northern european nation (racially-wise) but guess I was sort of wrong. BTW, I’m not talking about recent foriegners from south asia or caribbean nations or other parts of the world but 100% brits. almost every blonde girl I saw walking down the streets had a clear underline of dark hair, which means they were bottle blondes.
We have many examples of famous brits fitting the dark stereotype, russell brands, orlando bloom, rowan atkinson (mr bean),the 4 beatles, catherine zeta jones, tom jones, bryan May (queen), gallagher brothers (oasis), simon cowell, sean connery, jeff beck, ritchie blackmoore, cheryl cole, victoria beckham, kerry louise (porn star), robbie williams, footballers michael carrick, joe cole, john terry, frank lampard, gary cahill, etc… what about gordon brown or nick griffin? none very nordic looking or blonde…
Sit down for this.
Even Swedes can be dark brunet. I know! Even Finns aren’t really all blond and fiery red.
Even Icelandic people can have very dark hair, look at Björk!
I’m talking about averages, very few people in the UK had the germanic looks or blonde hair alone (which isnt mousy or lightbrown but natural goldern hair).
I’ve been to most countries in europe and I’ve always found blondes (even those blondes with nearly white hair) to be fairly common and even dominant in some areas (specially norhtern europe, aka scandinavia,finland, netherlands and parts of germany) however in the UK I hardly came across any real blonde, and most people wasnt even light higher but had a quite dark shade or brown, plain brunette or even black hair. I saw even more blonde people in the slavic countries,such as russia, czech, poland, baltics, (in fact they are quite common there but more of a darker shade of blonde than in northern europe) than in the UK where brunette people clearly dominates the mix.
What made you pick that as your username on here, woglander?
Some Germans who are “darkies”.
On the other hand you can find full blooded Arabs, Pakistanis, Indians, Iranians who are “light” whatever that means.
Take for instance Pakistani Senator Mateen Shah.
Skin and hair/eye colour varies even within populations. So while it tends to the lighter side in NW Europe and the darker side toward the Med and the ME/ South Asia, individuals can have variations, quite a few variations.
There is also a concentration of “dark” phenotypes in some “light” places such as the British Isles, Eastern Germany and some “light” phenotypes in otherwise “dark” places, like the Northern Afghanistan and Pakistan and some parts of the N African coast.
Ok, thats it for the factual information, back to the regularly scheduled wogism. 
Britain is an absolute mongrel nation, that’s all you need to know. Thousands of years of invasions, romans, vikings, french etc. and doing our best to steal and shag our way across the globe.
Both those islands are patchworks of various genetic heritages, going back to prehistory. You hear of Celtic, Saxon, Viking & Norman invasions. But they were just further additions to the melting pot.
Which is getting even meltier, thanks to former subjects of The Empire coming to stay…
Having spent more time in Scandinavia than I care to admit, I don’t think that adult blondes are even a significant minority there either. Of course compared to most of the world, they are a very common.
Bottle blondes in Scandinavia don’t stand out as much because they tend to have a lighter coloring that matches the look.
Most Germans are brunette. You’d think that would make the Nazis Aryan ideal rather awkward when even most Nazis were dark haired, but I guess no one ever stood up in a meeting and brought it up.
I have no idea what would lead anyone to think Britain has an excessive amount of blondes. Even if you’ve never been there, or never met anyone from there, or met anyone descended from there, or seen a shot of a crowd from there on the street or in a stadium, I’d think you’d have seen some British TV or movies at some point. Indeed, the OP listed plenty of celebrities.
Maybe it’s like with those Hollywood teeth, some cultures fake it more than others:
For what it’s worth, half of my familial background is from Norway. To the best of my knowledge, none of them are or were blonde.
What makes the OP think Brits are “Northern European”? They’re about as close to Southern Europe as Northern, historically - all those centuries of being Celtic and then Roman, a few hundred years blip of Anglo-Saxon, then back to being dominated by Normans, who were a Norse/French mix who generally are depicted as a mix of blond and brun (e.g. in Bayeux).
My understanding is that the “Celtic” people moved up the western seaboard of Europe from northern Spain, and didn’t necessarily all go away when the Anglo-Saxons arrived, any more than the Brythonic Celts of Scotland when the Gaelic-speakers came. Likewise, the ordinary, predominantly Anglo-Saxon, people stayed the same when the Normans came. But “Anglo-Saxons” is a term covering all sorts of people, Frisians, Jutes, Angles, Danes. And even before recorded history, there were people who moved around the world a lot more than we were taught. So a bunch of islands sitting on the crossroads of a lot of trading routes would inevitably have a fairly mixed population. FWIW, I apparently look quintessentially British, reddish hair (well it used to be), freckles, don’t tan so much as burn - but quite a few generations back there there are African slaves in my genetics.
And we all come from Africa originally, anyway, don’t we?
Most germans arent brunette…at least not on the way aussies, brits or americans are… The people with darkbown/black hairor even plain brown haire are in the minority, most germans are either blonde (from platinium/lightblonde to dark blonde) or have some goldern shade of brown/lightbrown which is neither real brunette or blonde… If you go to northern germany you would notice how most people are quite tall and generally blonde, same as in Scandinavian countries or the Netherlands… Southern germany is more similar to central europe…lot of darkblond/lightbrown haired people…with quite a large minority of medium/light blond and another large minority of brown/darkbrown and even black hair.
I have been to scandinavia several times…and even if you look at men…the men are far blonder and taller than british men, ditto for Dutch people (who are even taller than scandinavians) and those from Northern germany.
Many of those bottle blondes just have added some highlights, in fact more women completely darken their hair than they blonde it up with bleach…
That is not my impression. Yes, Scandinavians have a lighter complexion than the average European, but natural Marilyn Monroes are not the norm. Kids are another matter, but that is a given.
BTW, we’re a mixed family, in which half are Danes.
For what it’s also worth, I’ve just looked up all the current Scandinavian monarchs and heirs apparent and not a single one of them is blonde, either. Or was, before the older ones went gray.
Most people in adulthood are either middle-blond (medium blonde) or darkblond/lightbrown, platinium or light brown isnt the majority in adulthood.
ALthough It depends what you consider an adult, I have know many people in their 20’s or even early 30’s with very light blonde , some even platinium blonde, like this man for example…
The more “average” blond color for germanic people are something like this…
Which is rather blond/golden blond…
You seem to believe that I said there are no blondes in Scandinavia. Yes, there’s a higher percentage of real blondes there than in, say, Belgium, to name a random European nation I have visited. However, adult blondes are not nearly as common as brunettes.