NameCensus.

UK boy's name

Riku

A masculine Japanese name meaning "land" or "shore".

For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.

Riku is a boy's name in the UK records. People looking for Riku popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #5119, with 3 babies registered with the name. Its strongest year in the published records was 1997, with 4 births.

This profile covers 32 England and Wales registrations across 9 recorded years from 1997 to 2024. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

The latest count is about 75% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 32 living people in the UK are called Riku. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.

Key insights

  • Riku ranked #5119 for boys in England and Wales in 2024, with 3 registrations.
  • The name peaked in 1997, when 4 boys were registered as Riku.
  • About 32 living people in the UK are estimated to have Riku as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#5119

2024

Births in 2024

3

Latest year

Peak year

1997

4 births

Estimated living

32

2026

Meaning

What does Riku mean?

The name Riku has its origins in the Japanese language and culture, dating back to the early centuries of Japanese history. It is derived from the Japanese words "ri" meaning "reason" or "logic," and "ku" meaning "air" or "sky." The combination of these words suggests a meaning of "reasoning sky" or "logical atmosphere."

One of the earliest recorded instances of the name Riku can be found in the Kojiki, an ancient Japanese chronicle of myths, legends, and historical accounts dating back to the 8th century AD. In this text, a prince named Riku is mentioned as a descendant of the imperial family.

During the Heian period of Japan (794-1185 AD), the name Riku gained popularity among the aristocracy and samurai class. It was often used as a name for boys born into noble families, reflecting the value placed on intellectual pursuits and the pursuit of knowledge.

Throughout Japanese history, several notable individuals have borne the name Riku. One such figure was Riku no Arawanokaze (1093-1144), a renowned waka poet and courtier during the late Heian period. His literary works, including his poetry collections, have been preserved and studied by scholars for centuries.

In the Edo period (1603-1868), Riku Seiko (1616-1693) was a prominent mathematician and astronomer. He made significant contributions to the study of astronomy and the development of the Japanese calendar system.

During the Meiji era (1868-1912), Riku Oda (1846-1916) was a influential politician and diplomat. He played a crucial role in the modernization and westernization of Japan, serving as the Minister of Foreign Affairs and negotiating several important treaties with Western nations.

Another notable figure was Riku Miyake (1875-1923), a pioneering journalist and editor who founded one of Japan's first modern newspapers, the Tokyo Nichinichi Shimbun. He was instrumental in shaping the development of journalism in Japan during the early 20th century.

While the name Riku has a rich history and cultural significance in Japan, its usage has also spread to other parts of the world through immigration and cultural exchange. However, its origins and deepest roots remain firmly rooted in the Japanese language and cultural traditions.

Sourced from namecensus.com.

Popularity

Riku over time

The chart below shows babies named Riku registered in England and Wales in the years where the name appears in the published records, from 1997 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Riku, the clearest high point is 1997. The latest England and Wales figure is 3 births in 2024, compared with 4 at the peak.

Babies born per year

Riku
01234199720102024

Decades

Riku by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Riku was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #4555 7 2
2010s #4499 10 3
2000s #4088 7 2
1990s #2381 8 2

Related

Names similar to Riku

FAQ

Riku: questions and answers

How popular is the name Riku in the UK right now?

In 2024, Riku was ranked #5119 for boys in England and Wales, with 3 births registered.

When was Riku most popular?

The peak year on record was 1997, with 4 babies registered as Riku in England and Wales.

What is the meaning and origin of Riku?

A masculine Japanese name meaning "land" or "shore".

How many people are called Riku in the UK?

A total of 32 babies have been registered as Riku across the 9 years of ONS England & Wales records shown here.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.