๐ How Rare Are You in Norway?
๐ณ๐ด Genetic Landscape of Norway
Norway's genetic identity was forged by Viking Age seafaring, Norse settlement patterns, and the indigenous Sรกmi people of the far north. Norwegians are among the most genetically Northern European populations, with ~83% light-colored eyes and high blonde/red hair frequencies. The Sรกmi carry unique genetic markers linked to reindeer herding populations and share distant genetic ties with Siberian peoples. Norway's fjord geography created genetic micro-isolation, with some valleys maintaining distinct profiles.
Emptiness shaped the population as much as ancestry did. Through the nineteenth century thin soil and farms that passed whole to a single heir left younger children with nothing to inherit, and they went to Minnesota, the Dakotas and the Canadian prairies in numbers that made Norway one of Europe's great emigrant countries relative to its size. Those who stayed were separated by water and rock rather than by distance, since neighbouring fjord communities could sit a short way apart on a map and hours apart by boat. Dialects diverged accordingly, and Norwegians still place a stranger's home district by accent within a few sentences. The written language ended up split into two competing standards because no single spoken form could claim to speak for the rest.
๐ข Two Hundred People, and the Rule Flips
Norway puts a number on rarity and then attaches a legal consequence to it. Under the Names Act (Lov om personnavn, in force 1 January 2003), a name that more than 200 people in the realm already hold as a surname may be taken as a surname by anyone else, without asking permission. A name held as a surname by 200 or fewer is protected: you can only take it if every person who already carries it consents.
Statistics Norway's surname table is drawn at the same headcount. It is titled โLast names used by 200 persons or moreโ, and at 31 December 2025 it carries figures for 3,620 surnames; the smallest figure in that column is exactly 200, and everything below it prints as a dot the table explains as โLess than 200 personsโ. The biggest figure is Hansen, at 47,879. One more clause slows the picture down: once you have turned 16 you may take, change or drop a first name or surname only once every ten years, with a short list of exceptions.
๐๏ธ Eye Color
| Blue | 65% |
| Green | 10% |
| Gray | 8% |
| Hazel | 10% |
| Brown | 7% |
๐ Hair Color
| Blonde | 30% |
| Brown | 28% |
| Dark Brown | 22% |
| Red | 4% |
| Black | 8% |
| Gray | 8% |
๐ฉธ Blood Type
| A+ | 37% |
| O+ | 34% |
| B+ | 7% |
| AB+ | 4% |
| A- | 6% |
| O- | 7% |
| B- | 3% |
| AB- | 2% |
Trait frequencies on this page come from public and institutional datasets โ see Data Sources.
🧮 Calculate Your Rarity in Norway
Pick your eye colour, hair colour and blood type. The calculator uses Norway's own figures from the tables above, not world averages.
This is an estimate, not a measurement. It multiplies three national frequencies as if they were independent, and they are not: eye and hair colour share pigmentation genes, so a combination that tends to run together, such as blue eyes with blonde hair, is more common than the multiplication suggests, while one that rarely does, such as blue eyes with black hair, is rarer. Blood type is independent of both. The frequencies are national averages from public datasets — see Data Sources.
That number describes the body you were born with. Fraeon, our other site, does the same arithmetic for the part you chose: the films, series, games, books, anime and manga you have actually finished. Start your log →
๐ The Surname You Get by Holding a Farm
A farm name can still become a surname in Norway, and the Names Act says exactly how. ยง 4 lists names that may be taken as a surname regardless of the 200-person rule, and one of them is the name of a farm, a gรฅrdsbruk, that you or one of your parents owns and has owned for at least 10 years โ or has used for at least 20 years, or has used for at least 10 years under a right of use fixed for a lifetime.
The clause has a date on it: it does not apply if the farm's name was chosen after 1 January 1947 and conflicts with ยง 3 of the Place Names Act of 18 May 1990. So this route to a surname is measured in land and time โ a decade of ownership or two decades of use, and a name that was already attached to the ground. If you want the same question asked of your own name, try name rarity.
๐บ๏ธ Who Gets to Spell a Norwegian Place Name
Place names have a statute of their own. The Place Names Act (lov om stadnamn, in force 1 July 1991) states its purpose as preserving place names as linguistic cultural heritage and giving them a written form that is practical and does not obscure what the name means. Under ยง 7 Kartverket, the Norwegian Mapping Authority, sets the spelling of farm names and nature names, while municipalities decide the spelling of local place names; the register those decisions land in is Sentralt stedsnavnregister, which Kartverket calls the official register of place names in Norway.
Three languages sit in the same process: ยง 13 makes Sprรฅkrรฅdet the name service for Norwegian and Kven place names and Sametinget the name service for Sรกmi place names, and Kartverket says the spelling rules for Norwegian, Sรกmi and Kven are what its place-name decisions rest on. The two statutes also point at each other. The Names Act's farm clause defers to ยง 3 of the Place Names Act, and that ยง 3 says a place name may be taken into use somewhere it does not traditionally belong only if it is not in use as a protected surname, is not a distinctive name, and need not be protected for other reasons.
โญ Rare Facts About Norway
What Norway's institutions actually publish
The population figure is Statistics Norway table 05803: 5,627,400 people on 1 January 2026. The surname counts are Statistics Norway table 12891, at 31 December 2025. The name and place-name rules are quoted from the statutes as published on Lovdata. The eye colour, hair colour, blood type and height figures are a different kind of number: Statistics Norway publishes no table for any of them, so none of those four is Norwegian official statistics and none of them is a count of anyone. Last checked September 2026.