How old is Kristoffer Ajer?

Kristoffer Ajer is 28 years old, born on April 17, 1998.

What team does Kristoffer Ajer play for?

Kristoffer Ajer currently plays for Brentford in the Premier League.

What position does Kristoffer Ajer play?

Kristoffer Ajer plays as a Defender for Brentford.

How many goals has Kristoffer Ajer scored?

Kristoffer Ajer has 0 goals and 0 assists in 5 appearances in the 2026/27 Premier League.

When does Kristoffer Ajer's contract expire?

Kristoffer Ajer's contract with Brentford runs until June 30, 2030.

How much did Brentford pay for Kristoffer Ajer?

Brentford signed Kristoffer Ajer from Celtic in July 2021 for a reported €15.7m.

What shirt number does Kristoffer Ajer wear?

Kristoffer Ajer wears number 20 for Brentford.

What nationality is Kristoffer Ajer?

Kristoffer Ajer is from Norway and was born in Rælingen.

Home England Premier League

Kristoffer Ajer

Defender

Brentford

Norway

Age: Apr 17, 1998: 28 years
Height: 198 cm
Preferred foot: Right
Shirt Number: 20
Market value: €24m
Contract until: Jun 2030

Season performance

2026/27

Premier League

Brentford

Average Rating: 6.80
Appearances: 5
Minutes: 450
Goals: 0
Assists: 0
Starts: 5

5 rated matches

Next match

Ratings over the last 12 months

All competitions · Monthly averages

Matches

Position

Primary: Defender
Nationality: Norway
Place of birth: Rælingen, Norway
Weight: 92 kg

Player Traits

Percentile vs Premier League defenders · 2026/27

Possession · Defending · Duels

Top 10%

Transfers

Joined current club
CelticBrentford
Jul 2021Transfer€15.7m

About Kristoffer Ajer

Profile, season statistics, transfers and career

Kristoffer Ajer (28) is a footballer from Norway who plays as a Defender for Brentford. Kristoffer Ajer was born on April 17, 1998 in Rælingen, Norway. Kristoffer Ajer is 198 cm tall and right-footed.

In the 2026/27 Premier League, Kristoffer Ajer has 5 appearances (5 starts, 450 minutes) with 0 goals, 0 assists and an average rating of 6.80. Among Premier League defenders, Kristoffer Ajer ranks in the top 9% for clearances. Across 15 tracked seasons, Kristoffer Ajer has 402 appearances, 17 goals and 14 assists.

Kristoffer Ajer joined Brentford from Celtic in July 2021 for a reported €15.7m. Kristoffer Ajer has also played for Celtic, Kilmarnock, and Start. Kristoffer Ajer's estimated market value is €24m, and the contract with Brentford runs until June 30, 2030.

Competitions in 2026/27

Friendlies4
World Cup5
Premier League5
League Cup1
UEFA Nations League3
Friendlies Clubs1

Frequently Asked Questions

How old is Kristoffer Ajer?: Kristoffer Ajer is 28 years old, born on April 17, 1998.
What team does Kristoffer Ajer play for?: Kristoffer Ajer currently plays for Brentford in the Premier League.
What position does Kristoffer Ajer play?: Kristoffer Ajer plays as a Defender for Brentford.
How many goals has Kristoffer Ajer scored?: Kristoffer Ajer has 0 goals and 0 assists in 5 appearances in the 2026/27 Premier League.
How tall is Kristoffer Ajer?: Kristoffer Ajer is 198 cm tall.
What is Kristoffer Ajer's market value?: Kristoffer Ajer's estimated market value is €24m.
When does Kristoffer Ajer's contract expire?: Kristoffer Ajer's contract with Brentford runs until June 30, 2030.
How much did Brentford pay for Kristoffer Ajer?: Brentford signed Kristoffer Ajer from Celtic in July 2021 for a reported €15.7m.
What shirt number does Kristoffer Ajer wear?: Kristoffer Ajer wears number 20 for Brentford.
What nationality is Kristoffer Ajer?: Kristoffer Ajer is from Norway and was born in Rælingen.

Statistics come from official and detailed match data. Market values and fees are estimates or reported figures.