Total births
28
Boys' name · since 2000
Ryusei
28 babies named Ryusei in U.S. Social Security records since 2000, with the highest year being 2000. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 28
- total births
- 2000–2012
- years on record
- 2000s
- peak decade
- 61%
- born in that decade
28 boys have been named Ryusei since 2000, though it isn't currently a top-ranked name.
Ryusei has 28 recorded births among boys since 2000, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2000 to 2012.
- 28 total births
- 2000–2012 years on record
- 2000s peak decade
- 61% born in that decade
Data updated Jun 2026
The verdict
28 boys have been named Ryusei since 2000, peaking in the 2000s, last recorded in 2012.
- 28
- total births
- 2000–2012
- years on record
- 2000s
- peak decade
- 61%
- born in that decade
2000s
Peak decade
61% of everyone ever named Ryusei was born in this single decade.
2000
Single peak year
6 babies were named Ryusei in 2000 - its busiest year on record.
Ryusei's usage pattern, beyond the headline number
Splitting Ryusei's full recorded timeline at 2009, 57% of its total births fall in the more recent half of the record versus 43% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2009, with just 5 recorded births -- worth weighing against the 2000 peak of 6 to see the full range of the name's swing in popularity.
Ryusei at a glance
Last recorded 2012Peak year
2000
Current rank
Unranked
Active since
2000
Ryusei popularity over time
Annual U.S. births registered with the Social Security Administration · 2000–2012
- Peak year (2000)
- 6
- Annual births at peak, across 13 years of records
Ryusei by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Ryusei's strongest decade.
17 babies received the name during that ten-year window, about 61% of all-time use.
Ryusei births by decade
Total births in each ten-year window
- 2000s
2000s
17 births
- 2010s
2010s
11 births
What this shows Peak: 2000s at 17 births (61% of all-time use).
Frequently Asked Questions
How popular is the name Ryusei? ▼
28 babies have been named Ryusei since 2000. It was last recorded in 2012. The peak year was 2000 with 6 births.
When was Ryusei most popular? ▼
Ryusei was most popular in the 2000s decade with 17 total births. The single peak year was 2000.
How long has the name Ryusei been used? ▼
Ryusei has been recorded in Social Security data since 2000, spanning 13 years of data through 2012.
What names are similar to Ryusei? ▼
Names with a similar sound or spelling include Ryu, Ryun, Ryuu, Ryuji, and 4 more. These share a common prefix and are also used for boys.
What to do with Ryusei's data
- Ryusei's usage has stayed within range of its 2000s decade-level peak (17 total births) through the 2010s (11) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Ryusei
Nearby Names Like Ryusei
Names with a similar sound, spelling, or feel to Ryusei
Ryu Boy
#1437 1,685 births
Ryun Boy
182 births
Ryuu Boy
52 births
Ryuji Boy
#7622 29 births
Ryunosuke Boy
22 births
Compare Ryusei side by side: Ryusei vs Ryu Ryusei vs Ryun Ryusei vs Ryuu
Related Names
Names with a similar number of total births
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2000–2012 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Ryusei: Baby Name Since 2000 - 28 Births, Peak 2000." NameAlmanac. Accessed via https://namealmanac.com/name/ryusei. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Ryusei draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.