Unisex name · since 2001

Zi

Since 2001, U.S. Social Security records show 67 babies named Zi, peaking in 2005. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

67
total births
2001–2017
years on record
2000s
peak decade
78%
born in that decade

Zi sits outside today's top ranks for girls, with 67 recorded since 2001.

According to the U.S. Social Security Administration, Zi has been recorded 67 times among girls since 2001, though it is not among the currently most-used girls names, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2001 to 2017.

  • 67 total births
  • 2001–2017 years on record
  • 2000s peak decade
  • 78% born in that decade

Data updated Jul 2026

The verdict

67 girls have been named Zi since 2001, peaking in the 2000s, last recorded in 2017.

67
total births
2001–2017
years on record
2000s
peak decade
78%
born in that decade
2000s
Peak decade

78% of everyone ever named Zi was born in this single decade.

2005
Single peak year

12 babies were named Zi in 2005 - its busiest year on record.

Zi's usage pattern, beyond the headline number

Zi splits its recorded history at 2007: 42% of all births land in the more recent half, 58% in the earlier half, an evenly balanced pattern over time. The single quietest year was 2004 (5 births) -- compare that against the 2005 peak of 12 for a sense of just how much the name's popularity has swung.

Zi at a glance

Last recorded 2017

Total births

67

Since 2001

17 years of records

Peak year

2005

12 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2017

Active since

2001

Recorded for 17 years

Last year on file: 2017

Zi popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 2001–2017

Last recorded 2017
Peak year (2005)
12
Annual births at peak, across 17 years of records
468101214 2001200220042005200620072009201220132017 5

Zi popularity over time - boys

65 total births recorded since 2002 (Zi as boys' name)

Unisex variant - 65 births
4681012 200220042005200620072013201420152016 6

Zi by decade

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

2000s was Zi's strongest decade.

52 babies received the name during that ten-year window, about 78% of all-time use.

Zi births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 52 births (78% of all-time use).

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

Zi by state

Where Zi concentrates geographically, total births since 2001

Regionally concentrated
Top 1 states by recorded births for the name Zi
Rank State Visual share Births Share of total
#1 New York
24 35.8%
New York share of Zi's total US births 35.8%

24 of 67 births nationwide.

Frequently Asked Questions

How popular is the name Zi?
Zi has been given to 67 babies in the U.S. since 2001, according to SSA data. Its last appearance in the data was 2017. 12 babies were born in 2005, its single highest year.
When was Zi most popular?
Zi was most popular in the 2000s decade with 52 total births. The single peak year was 2005.
Where is Zi most popular?
The top states for the name Zi are New York (24 births).
Is Zi a unisex name?
Yes, Zi is used for both boys and girls. As a girl's name it has 67 births, and as a boy's name it has 65 births.
How long has the name Zi been used?
Records for Zi go back to 2001, giving 17 years of history through 2017.
What names are similar to Zi?
Names with a similar sound or spelling include Zion, Zina, Zia, Zita, and 4 more. These share a common prefix and are also used for girls.

What to do with Zi's data

  • Zi's decade-level peak was the 2000s (52 total births); usage has since declined to 15 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • New York records the most Zis (24 births) -- see the full state breakdown if geography matters to your decision. New York 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, 2001–2017 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Zi: Baby Name Since 2001 - 67 Births, Peak 2005." NameAlmanac. Accessed via https://namealmanac.com/name/zi. 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 Zi 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.