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Part of the data ring
NameCurve
Girls' name · 6,095 recorded births

Joi

#3,249 in the US in 2025

#3,249US rank, 2025 (girls)
48US births in 2025
#912its best US rank, in 1981
1981peak year — 164 births
6,095US births since 1942
Saved in this browser only — no account, nothing sent anywhere.

Joi in the United States

0.04.99.818801900192019401960198020002020
Births per 100,000 of that sex, so eras compare fairly. Joi in the United States, 1880–2025

Between 2016 and 2025 the name has been falling — down 25% as a share of girls' births.

SOURCE·US Social Security Administration, national baby-name data·Public domain. SSA lists a name only if it was given to at least 5 babies of that sex that year.·REVIEWED JUL 2026

Joi in New Zealand

Joi never reached 10 births in a single year in New Zealand, so it does not appear in the DIA file. That is a reporting floor, not a zero — the name may still have been registered here, just never ten times in one year.

SOURCE·NZ Department of Internal Affairs, births by first name·CC BY 4.0. DIA lists a name only if it was given to at least 10 babies of that sex that year.·REVIEWED JUL 2026

Decade by decade in the US

YearRankBirths
1950below floor
1960#1,13891
1970#1,52664
1980#1,043137
1990#1,79680
2000#1,79197
2010#2,84161
2020#2,34175

Where in the United States

The states that registered Joi most often since 1942. These are lifetime totals, so they track state population as much as local taste — a name common in Wyoming will never out-count California.

How these figures are worked out

  1. Counts come straight from the registrars: the US Social Security Administration (1880–2025) and the New Zealand Department of Internal Affairs (1900–2025). Nothing is scraped from another names site.
  2. Ranks are computed against every name in that year's file, not just the ones this site publishes pages for — otherwise a rank would flatter every name we happen to list.
  3. The curve is drawn on births per 100,000 of that sex, not raw counts. Raw counts across eras are misleading: far more births were registered in 1957 than in 1890, so a flat count is a falling share.
  4. Each country hides small numbers — the US below 5 births a year, New Zealand below 10. A gap in a line is "below the floor", never "nobody".

Full methodology →

SOURCE·US SSA (1880–2025) + NZ DIA (1900–2025) birth registrations·ranks and shares computed from the source files, see method·REVIEWED JUL 2026

See what every site in this family answers

Published by

Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.