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.

#21,280 of 45,481
all-time among boys
57
born since 1978
2000s
peak 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.

  • #21,280 of 45,481 all-time among boys
  • 57 born since 1978
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Nii ranks #21,280 of 45,481 boys' names by all-time recorded births (highest first). 57 born since 1978, peaking in the 2000s.

#21,280 of 45,481
all-time among boys
57
born since 1978
2000s
peak decade
Below the archive median
All-time archive position

Nii's 57 recorded births place it above 53.13% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1978–2014

Last recorded 2014
Peak year (1999)
8
Annual births at peak, across 37 years of records
456789 197819801982199719992002200520062014 6

Nii by decade

2000s is the heaviest window (18 births, 32% of the file).

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

births

What this shows Peak: 2000s at 18 births (32% of all-time use).

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

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 archive ordinal is #21,280 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2014. 8 babies were born in 1999, its single highest year.
Where does Nii sit in the SSA name archive?
According to the U.S. Social Security Administration, Nii ranks #21,280 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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.

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Nii: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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).

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 August 2026.