Unisex name · since 1946

Ki

Since 1946, U.S. Social Security records show 426 babies named Ki, peaking in 2002. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

426
total births
1946–2022
years on record
2000s
peak decade
27%
born in that decade

Ki sits outside today's top ranks for boys, with 426 recorded since 1946.

Social Security Administration records show Ki recorded 426 times among boys since 1946, though it doesn't currently rank among the most-used boys names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1946 to 2022.

  • 426 total births
  • 1946–2022 years on record
  • 2000s peak decade
  • 27% born in that decade

Data updated Jul 2026

The verdict

426 boys have been named Ki since 1946, peaking in the 2000s, last recorded in 2022.

426
total births
1946–2022
years on record
2000s
peak decade
27%
born in that decade
2000s
Peak decade

27% of everyone ever named Ki was born in this single decade.

2002
Single peak year

20 babies were named Ki in 2002 - its busiest year on record.

Ki's usage pattern, beyond the headline number

Splitting Ki's full recorded timeline at 1997, 60% of its total births fall in the more recent half of the record versus 40% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1946, with just 5 recorded births -- worth weighing against the 2002 peak of 20 to see the full range of the name's swing in popularity.

Ki at a glance

Last recorded 2022

Total births

426

Since 1946

77 years of records

Peak year

2002

20 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2022

Active since

1946

Recorded for 77 years

Last year on file: 2022

Ki popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1946–2022

Last recorded 2022
Peak year (2002)
20
Annual births at peak, across 77 years of records
0510152025 194619661982199119992006201320202022 7

Ki popularity over time - girls

109 total births recorded since 1957 (Ki as girls' name)

Unisex variant - 109 births
456789 1957198119922000200520112023 5

Ki by decade

Total births in each ten-year window, peak vs trough at a glance

2000s was Ki's strongest decade.

114 babies received the name during that ten-year window, about 27% of all-time use.

Ki births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 114 births (27% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Ki by state

Where Ki concentrates geographically, total births since 1946

Geographically diffuse
Top 1 states by recorded births for the name Ki
Rank State Visual share Births Share of total
#1 Kansas
6 1.4%
Kansas share of Ki's total US births 1.4%

6 of 426 births nationwide.

Frequently Asked Questions

How popular is the name Ki?
Ki has been given to 426 babies in the U.S. since 1946, according to SSA data. Its last appearance in the data was 2022. 20 babies were born in 2002, its single highest year.
When was Ki most popular?
Ki was most popular in the 2000s decade with 114 total births. The single peak year was 2002.
Where is Ki most popular?
The top states for the name Ki are Kansas (6 births).
Is Ki a unisex name?
Yes, Ki is used for both boys and girls. As a boy's name it has 426 births, and as a girl's name it has 109 births.
How long has the name Ki been used?
Records for Ki go back to 1946, giving 77 years of history through 2022.
What names are similar to Ki?
Names with a similar sound or spelling include Kirk, Kingston, King, Kim, and 4 more. These share a common prefix and are also used for boys.

What to do with Ki's data

  • Ki's decade-level peak was the 2000s (114 total births); usage has since declined to 20 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Kansas records the most Kis (6 births) -- see the full state breakdown if geography matters to your decision. Kansas names
  • 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.

Data Sources

Data as of July 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, 1946–2022 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Ki: Baby Name Since 1946 - 426 Births, Peak 2002." NameAlmanac. Accessed via https://namealmanac.com/name/ki. 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 Ki 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 July 2026.