Name Generator
How popular is the name Klaus?
Births per year, rank history and how many Klauses are alive today.
Klaus (male) is a shortened form of the name Colin. Although Klaus itself was given to 6 babies in England and Wales in 2024 (ranked 3255th as a registered name), most Klauses are registered as Colin, which ranked 1538th in 2025 with 17 babies.
Most people called Klaus are registered as Colin, and share that name's profile: the Colin you are most likely to meet is around 62 years old. Half of all Colins born in England and Wales are between 57 and 76, and there are at least 150,000 of them alive today. Only some Colins go by Klaus.
How many babies are named Klaus or Colin each year?
Combined registrations of Colin, Klaus. Figures before 1996 are estimates.
Where does Colin rank as a registered name?
Where does Klaus rank as a registered name?
Where this data comes from
Figures from 1996 onwards are the Office for National Statistics' annual baby-name registrations for England and Wales, which record every name given to three or more babies in a year. Figures before 1996 are estimates: the ONS published only top-100 rankings at ten-year intervals back to 1904, so counts for those years are modelled from the rankings, calibrated against Douglas Galbi's long-run research into English name frequencies, and shown with an uncertainty band. Estimates of living bearers combine these birth figures with national life tables and ONS mid-year population estimates.
One limit worth naming: these figures count names as registered at birth. Anyone who changes their name later in life - including trans people, and anyone who adopts a different name by deed poll or simply by use - is not reflected here. Birth registrations record where a name began, not the name a person lives with.
Common questions
Is Klaus short for Colin?
Yes - Klaus is a shortened form of Colin. Klauses are usually registered as Colin at birth.
When was the name Klaus most popular?
The full name Colin peaked in 1964, when around 5,500 babies in England and Wales were given the name. Klaus itself peaked as a registered name in 2020, with 8 babies.
How many people are called Klaus?
There's no official count of people who go by Klaus, because it's a nickname rather than a registered name. What we can say: at least 150,000 people registered as Colin born in England and Wales are alive today, and some of them go by Klaus.
How old is the typical Klaus?
Most people called Klaus are registered as Colin. Most living Colins are between 57 and 76; the most common age is about 62.
Is Klaus becoming more or less popular?
Declining: recent figures are a fraction of the 1964 peak.