Total births
57
Boys' name · since 1978
Nii
57 babies named Nii in U.S. Social Security records since 1978, with the highest year being 1999. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 57
- total births
- 1978–2014
- years on record
- 2000s
- peak decade
- 32%
- born in that decade
Nii sits outside today's top ranks for boys, with 57 recorded since 1978.
Social Security Administration records show Nii recorded 57 times among boys since 1978, 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 1978 to 2014.
- 57 total births
- 1978–2014 years on record
- 2000s peak decade
- 32% born in that decade
Data updated Jun 2026
The verdict
57 boys have been named Nii since 1978, peaking in the 2000s, last recorded in 2014.
- 57
- total births
- 1978–2014
- years on record
- 2000s
- peak decade
- 32%
- born in that decade
2000s
Peak decade
32% of everyone ever named Nii was born in this single decade.
1999
Single peak year
8 babies were named Nii in 1999 - its busiest year on record.
Nii's usage pattern, beyond the headline number
Splitting Nii's full recorded timeline at 1999, 56% of its total births fall in the more recent half of the record versus 44% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1980, with just 5 recorded births -- worth weighing against the 1999 peak of 8 to see the full range of the name's swing in popularity.
Nii at a glance
Last recorded 2014Peak year
1999
Current rank
Unranked
Active since
1978
Nii popularity over time
Annual U.S. births registered with the Social Security Administration · 1978–2014
- Peak year (1999)
- 8
- Annual births at peak, across 37 years of records
Nii by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Nii's strongest decade.
18 babies received the name during that ten-year window, about 32% of all-time use.
Nii births by decade
Total births in each ten-year window
- 1970s 7
1970s
7 births
- 1980s
1980s
12 births
- 1990s
1990s
14 births
- 2000s
2000s
18 births
- 2010s 6
2010s
6 births
What this shows Peak: 2000s at 18 births (32% of all-time use).
Frequently Asked Questions
How popular is the name Nii? ▼
Nii has been given to 57 babies in the U.S. since 1978, according to SSA data. Its last appearance in the data was 2014. 8 babies were born in 1999, its single highest year.
When was Nii most popular? ▼
Nii was most popular in the 2000s decade with 18 total births. The single peak year was 1999.
How long has the name Nii been used? ▼
The SSA has tracked Nii since 1978 -- 37 years through the most recent 2014 data.
What names are similar to Nii? ▼
Names with a similar sound or spelling include Niilo, Niigaanii. These share a common prefix and are also used for boys.
What to do with Nii's data
- Nii's usage has stayed within range of its 2000s decade-level peak (18 total births) through the 2010s (6) -- 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 Nii
Nearby Names Like Nii
Names with a similar sound, spelling, or feel to Nii
Compare Nii side by side: Nii vs Niilo Nii vs Niigaanii
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, 1978–2014 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Nii: Baby Name Since 1978 - 57 Births, Peak 1999." NameAlmanac. Accessed via https://namealmanac.com/name/nii. 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 Nii 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.