Swedish names·Boy's name

Kaj

Kaj is a Swedish boy's name. 11 babies were named Kaj in 2022. 3,321 people in Sweden went by Kaj in 2020.
Babies in 2022
11
526th for boys
Babies 1998–2022
111
People, 2020
3,321
243rd among men
Average age, 2020
65

Meaning and origin

Wiktionary describes it as a male given name of Danish origin.

Source: Wiktionary, Swedish entry for Kaj (CC BY-SA 4.0).

Popularity in Sweden

Among newborns, Kaj has been rising over the last few years. Its best year between 1998 and 2022 was 2021. The figures are for this exact spelling; other spellings of the name are counted on their own.

Babies named Kaj, per year
010201998200020052010201520202022

Years with fewer than two babies (fewer than ten before 2004) show as zero in the chart and as – in the table.

Show the figures
YearBoys
1998–
1999–
2000–
2001–
2002–
2003–
2004–
20052
20065
20072
20084
2009–
20106
20113
20127
20135
20148
20155
20166
20179
20187
201911
20207
202113
202211
People in Sweden called KajWomen and girlsMen and boys
02,5005,00019992005201020152020

Everyone registered in Sweden on 31 December with this as the first name they use.

Show the figures
YearWomen and girlsMen and boys
1999194,629
2000194,572
2001184,511
2002184,445
2003184,385
2004194,320
2005194,252
2006184,192
2007184,141
2008174,105
2009174,061
2010174,006
2011173,935
2012173,848
2013163,785
2014163,725
2015163,661
2016163,588
2017163,514
2018163,464
2019173,389
2020173,304

Kaj in a sentence

  • Hej! Jag heter Kaj.Hi! My name is Kaj.
  • Kaj bor i Umeå och jobbar som snickare.Kaj lives in Umeå and works as a carpenter.
  • Kaj har bott i Uppsala i tre år.Kaj has lived in Uppsala for three years.
  • Kajs mamma är lärare.Kaj's mum is a teacher.

Swedish shows possession with a plain -s and no apostrophe: Kajs mamma is Kaj's mum.

Related names and other spellings

More names

Questions about Kaj

How do you pronounce Kaj in Swedish?

Press Listen at the top of the page to hear Kaj in your device's Swedish voice. J is said like the English y.

What does the name Kaj mean?

Wiktionary describes it as a male given name of Danish origin.

How popular is Kaj in Sweden?

11 babies were named Kaj in 2022. In 2020, 3,321 people in Sweden had Kaj as the first name they go by. Among newborns the name has been rising lately and peaked in 2021 in the years SCB covers (1998–2022).

Popularity figures: Statistics Sweden (SCB), name statistics (BE0001) from the Statistical Database, released as open data under CC0. Each spelling is counted as its own name, as SCB does. SCB's open name statistics end with babies named in 2022 and the population on 31 December 2020; SCB stopped producing name statistics in 2024 and now points to the Swedish Tax Agency (Skatteverket) for newer figures.

Origins, IPA and recordings: Wiktionary (CC BY-SA 4.0), via kaikki.org; recordings from Lingua Libre on Wikimedia Commons (CC BY-SA). Lingolib is not affiliated with SCB or Wiktionary. Sources last checked 7 October 2026.