Data for 1966

Sex Ratio at Birth, 1966

Name: Sex Ratio at Birth, 1966
Creator: UN DESA Population Division
License: https://population.un.org/wpp/downloads

1966, as UN DESA Population Division’s 2024 release gives it · stored as published, never rewritten

Sex Ratio at Birth, 1966 covers 222 countries. Tonga is highest, at 108.3; 2 countries share the lowest reading, 101.1. The middle country reads 105.0. Against 1965, 83 values changed (38 up, 45 down), the same countries are covered.

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Sex Ratio at Birth · Data for 1966

HighestTonga

108.3

Lowest2 countries share it

101.1

Shaded by value in five groups of equal size, darkest at the highest end.

222countries
1measure
1966the year it describes
61distinct values1 decimal, as published
Sep 26, 2026read from the publisher
CC BY 3.0 IGOlicence

01Values only

The table

Every country and every column of Sex Ratio at Birth, 1966, as published. The file carries values only, so no position is shown. “=” marks a shared position.

Search this table

Showing 25 of 222 countries · select a heading to sort

Sex Ratio at Birth, 1966: every country, as published by UN DESA Population Division.

Tonga`TON`Polynesia	108.3
Cyprus`CYP`Western Asia	108.0
Philippines`PHL`South-eastern Asia	108.0
Palau`PLW`Micronesia	107.7
Samoa`WSM`Polynesia	107.7
Gibraltar`GIB`Southern Europe	107.6
Papua New Guinea`PNG`Melanesia	107.6
Northern Mariana Islands`MNP`Micronesia	107.5
Guam`GUM`Micronesia	107.4
Macau`MAC`Eastern Asia	107.4
Malta`MLT`Southern Europe	107.4
Uzbekistan`UZB`Central Asia	107.4
Iran`IRN`Southern Asia	107.3
Nauru`NRU`Micronesia	107.3
Bosnia and Herzegovina`BIH`Southern Europe	107.2
Japan`JPN`Eastern Asia	107.1
Kiribati`KIR`Micronesia	107.1
Niue`NIU`Polynesia	107.1
North Macedonia`MKD`Southern Europe	107.1
Timor-Leste`TLS`South-eastern Asia	107.1
Greece`GRC`Southern Europe	107.0
Hungary`HUN`Eastern Europe	107.0
Marshall Islands`MHL`Micronesia	107.0
Micronesia`FSM`Micronesia	107.0
Portugal`PRT`Southern Europe	107.0
Solomon Islands`SLB`Melanesia	107.0
Tuvalu`TUV`Polynesia	107.0
Vanuatu`VUT`Melanesia	107.0
Kosovo`XKX`Southern Europe	106.9
Serbia`SRB`Southern Europe	106.9
Brunei`BRN`South-eastern Asia	106.7
Hong Kong`HKG`Eastern Asia	106.7
San Marino`SMR`Southern Europe	106.7
Fiji`FJI`Melanesia	106.6
Myanmar`MMR`South-eastern Asia	106.6
Poland`POL`Eastern Europe	106.6
Turkmenistan`TKM`Central Asia	106.6
Norway`NOR`Northern Europe	106.5
Romania`ROU`Eastern Europe	106.5
Armenia`ARM`Western Asia	106.4
Bulgaria`BGR`Eastern Europe	106.4
Tajikistan`TJK`Central Asia	106.4
Vietnam`VNM`South-eastern Asia	106.4
Azerbaijan`AZE`Western Asia	106.3
Egypt`EGY`Northern Africa	106.3
Georgia`GEO`Western Asia	106.3
Thailand`THA`South-eastern Asia	106.3
Uruguay`URY`South America	106.3
Andorra`AND`Southern Europe	106.2
China`CHN`Eastern Asia	106.2
Faroe Islands`FRO`Northern Europe	106.2
Israel`ISR`Western Asia	106.2
South Korea`KOR`Eastern Asia	106.2
Sweden`SWE`Northern Europe	106.2
Ukraine`UKR`Eastern Europe	106.2
Yemen`YEM`Western Asia	106.2
Kazakhstan`KAZ`Central Asia	106.1
Moldova`MDA`Eastern Europe	106.1
Taiwan`TWN`Eastern Asia	106.1
United Kingdom`GBR`Northern Europe	106.1
Albania`ALB`Southern Europe	106.0
American Samoa`ASM`Polynesia	106.0
Lebanon`LBN`Western Asia	106.0
North Korea`PRK`Eastern Asia	106.0
Slovakia`SVK`Eastern Europe	106.0
Czechia`CZE`Eastern Europe	105.9
Denmark`DNK`Northern Europe	105.9
Ireland`IRL`Northern Europe	105.9
Jordan`JOR`Western Asia	105.9
Luxembourg`LUX`Western Europe	105.9
Pakistan`PAK`Southern Asia	105.9
Cook Islands`COK`Polynesia	105.8
Croatia`HRV`Southern Europe	105.8
Cuba`CUB`Caribbean	105.8
Montserrat`MSR`Caribbean	105.8
Australia`AUS`Australia and New Zealand	105.7
Belgium`BEL`Western Europe	105.7
Estonia`EST`Northern Europe	105.7
Malaysia`MYS`South-eastern Asia	105.7
Spain`ESP`Southern Europe	105.7
Ethiopia`ETH`Eastern Africa	105.6
Germany`DEU`Western Europe	105.6
Indonesia`IDN`South-eastern Asia	105.6
Iraq`IRQ`Western Asia	105.6
Latvia`LVA`Northern Europe	105.6
New Caledonia`NCL`Melanesia	105.6
Switzerland`CHE`Western Europe	105.6
Belarus`BLR`Eastern Europe	105.5
Maldives`MDV`Southern Asia	105.5
Montenegro`MNE`Southern Europe	105.5
Canada`CAN`Northern America	105.4
Iceland`ISL`Northern Europe	105.4
Italy`ITA`Southern Europe	105.4
Kyrgyzstan`KGZ`Central Asia	105.4
Netherlands`NLD`Western Europe	105.4
New Zealand`NZL`Australia and New Zealand	105.4
Singapore`SGP`South-eastern Asia	105.4
Cambodia`KHM`South-eastern Asia	105.3
India`IND`Southern Asia	105.3
Laos`LAO`South-eastern Asia	105.3
Libya`LBY`Northern Africa	105.3
Belize`BLZ`Central America	105.2
Syria`SYR`Western Asia	105.2
Austria`AUT`Western Europe	105.1
Russia`RUS`Eastern Europe	105.1
Saudi Arabia`SAU`Western Asia	105.1
Greenland`GRL`Northern America	105.0
Honduras`HND`Central America	105.0
Isle of Man`IMN`Northern Europe	105.0
Palestine`PSE`Western Asia	105.0
Slovenia`SVN`Southern Europe	105.0
Turks and Caicos Islands`TCA`Caribbean	105.0
Vatican City`VAT`Southern Europe	105.0
Afghanistan`AFG`Southern Asia	104.9
Bhutan`BTN`Southern Asia	104.9
British Virgin Islands`VGB`Caribbean	104.9
Colombia`COL`South America	104.9
France`FRA`Western Europe	104.9
French Polynesia`PYF`Polynesia	104.9
Monaco`MCO`Western Europe	104.9
Paraguay`PRY`South America	104.9
Puerto Rico`PRI`Caribbean	104.9
United States`USA`Northern America	104.9
Bangladesh`BGD`Southern Asia	104.8
Costa Rica`CRI`Central America	104.8
Lithuania`LTU`Northern Europe	104.8
Algeria`DZA`Northern Africa	104.7
Curaçao`CUW`Caribbean	104.7
Guatemala`GTM`Central America	104.7
Morocco`MAR`Northern Africa	104.7
Tunisia`TUN`Northern Africa	104.7
Brazil`BRA`South America	104.6
Ecuador`ECU`South America	104.6
Finland`FIN`Northern Europe	104.6
Nepal`NPL`Southern Asia	104.6
Oman`OMN`Western Asia	104.5
Türkiye`TUR`Western Asia	104.5
Bolivia`BOL`South America	104.4
Guinea`GIN`Western Africa	104.4
Qatar`QAT`Western Asia	104.4
Somalia`SOM`Eastern Africa	104.4
Kuwait`KWT`Western Asia	104.3
Nigeria`NGA`Western Africa	104.3
Aruba`ABW`Caribbean	104.2
Benin`BEN`Western Africa	104.2
Burkina Faso`BFA`Western Africa	104.2
Peru`PER`South America	104.2
Sint Maarten`SXM`Caribbean	104.2
United Arab Emirates`ARE`Western Asia	104.2
Argentina`ARG`South America	104.1
El Salvador`SLV`Central America	104.1
Sri Lanka`LKA`Southern Asia	104.1
Sudan`SDN`Northern Africa	104.1
Bermuda`BMU`Northern America	104.0
Chad`TCD`Middle Africa	104.0
Dominican Republic`DOM`Caribbean	104.0
Niger`NER`Western Africa	104.0
Panama`PAN`Central America	104.0
Saint Martin`MAF`Caribbean	104.0
South Africa`ZAF`Southern Africa	104.0
United States Virgin Islands`VIR`Caribbean	104.0
Ghana`GHA`Western Africa	103.9
Guinea-Bissau`GNB`Western Africa	103.9
Chile`CHL`South America	103.8
Madagascar`MDG`Eastern Africa	103.8
Mexico`MEX`Central America	103.8
Suriname`SUR`South America	103.8
Venezuela`VEN`South America	103.8
Djibouti`DJI`Eastern Africa	103.7
Grenada`GRD`Caribbean	103.7
Liberia`LBR`Western Africa	103.7
Mauritania`MRT`Western Africa	103.7
Cayman Islands`CYM`Caribbean	103.6
Guyana`GUY`South America	103.6
Jamaica`JAM`Caribbean	103.6
Saint Kitts and Nevis`KNA`Caribbean	103.6
Seychelles`SYC`Eastern Africa	103.6
Dominica`DMA`Caribbean	103.5
Mauritius`MUS`Eastern Africa	103.5
Nicaragua`NIC`Central America	103.5
South Sudan`SSD`Eastern Africa	103.5
Barbados`BRB`Caribbean	103.4
Sierra Leone`SLE`Western Africa	103.4
Mali`MLI`Western Africa	103.3
Trinidad and Tobago`TTO`Caribbean	103.3
Anguilla`AIA`Caribbean	103.2
Botswana`BWA`Southern Africa	103.2
Cabo Verde`CPV`Western Africa	103.2
Central African Republic`CAF`Middle Africa	103.2
Equatorial Guinea`GNQ`Middle Africa	103.2
Eritrea`ERI`Eastern Africa	103.2
Tanzania`TZA`Eastern Africa	103.2
Antigua and Barbuda`ATG`Caribbean	103.1
Comoros`COM`Eastern Africa	103.1
Côte d’Ivoire`CIV`Western Africa	103.1
Gambia`GMB`Western Africa	103.1
Haiti`HTI`Caribbean	103.1
Saint Vincent and the Grenadines`VCT`Caribbean	103.1
Senegal`SEN`Western Africa	103.1
Bahrain`BHR`Western Asia	103.0
Cameroon`CMR`Middle Africa	103.0
Eswatini`SWZ`Southern Africa	103.0
Angola`AGO`Middle Africa	102.9
Saint Lucia`LCA`Caribbean	102.9
Uganda`UGA`Eastern Africa	102.9
Togo`TGO`Western Africa	102.7
Zimbabwe`ZWE`Eastern Africa	102.7
Bahamas`BHS`Caribbean	102.6
Lesotho`LSO`Southern Africa	102.6
Republic of the Congo`COG`Middle Africa	102.6
São Tomé and Príncipe`STP`Middle Africa	102.6
Burundi`BDI`Eastern Africa	102.5
DR Congo`COD`Middle Africa	102.5
Rwanda`RWA`Eastern Africa	102.4
Gabon`GAB`Middle Africa	102.2
Mozambique`MOZ`Eastern Africa	102.1
Kenya`KEN`Eastern Africa	102.0
Liechtenstein`LIE`Western Europe	101.8
Malawi`MWI`Eastern Africa	101.4
Mongolia`MNG`Eastern Asia	101.3
Namibia`NAM`Southern Africa	101.1
Zambia`ZMB`Eastern Africa	101.1

02In 1966

At either end

The 5 countries at each end of the headline.

Highest

Tonga108.3
Cyprusshared108.0
Philippinesshared108.0
Palaushared107.7
Samoashared107.7

Lowest

Zambiashared101.1
Namibiashared101.1
Mongolia101.3
Malawi101.4
Liechtenstein101.8

Neither end is better. The values describe a shape, not a score. The middle country reads 105.0. “Shared” marks a value another country also holds.

031965 → 1966

Since 1965

What changed between 1965 and this one: who joined or left, and how far the headline moved.

+0 / −0countries joined / left
83values changed, of 222 in both
38 · 45rose · fell
139unchanged

Rose most

Japan105.5 → 107.1+1.6
Bosnia and Herzegovina106.6 → 107.2+0.6
Cyprus107.5 → 108.0+0.5
Ireland105.4 → 105.9+0.5
Slovenia104.5 → 105.0+0.5

Fell most

Slovakia106.6 → 106.0−0.6
Lithuania105.3 → 104.8−0.5
Germany106.0 → 105.6−0.4
Croatia106.2 → 105.8−0.4
Latvia106.0 → 105.6−0.4

Both years come from the same release, so a difference here is a change in the data, not a revision of it. Every country’s full history is charted on the statistic page.

04Caveats

Read before you use

What this edition’s numbers are and are not, worked out from the file itself.

How values are stored

One year of the 2024 release
Every year in this series comes from UN DESA Population Division’s 2024 release, recalculated on one method. It can differ from what was first published for 1966.
61 distinct values among 222
Values are stored exactly as published, to 1 decimal. 10 countries share 104.9. Countries sharing a value share a position too.
Nothing missing
Every one of the 222 countries has every column.

05The files

Download and cite

The table as a file, digit for digit, what this site changed, and a citation for this edition.

Licence in full

.csv
For a spreadsheet or code
222 rows · 6.0 KB · UTF-8, opens in Excel
Opens with 11 lines of source notes; the table starts on row 13.
Download sex-ratio-at-birth-1966-nations-inquiry.csv
↗
The publisher’s original
UN DESA Population Division’s own file, on its own site.
WPP2024_Demographic_Indicators_Medium.csv.gz

What this site changed: Reshaped into one row per country: regional and income-group totals are left out, only the columns listed are kept, each row gets its ISO 3166 code, and some country names are brought to one spelling. No value is recalculated, rescaled or rounded.

Licence: CC BY 3.0 IGO · what it allows, in plain words

Cite this edition

UN DESA Population Division (1966). Sex Ratio at Birth, 1966 [data set], describing 1966. As held by Nations Inquiry, https://nationsinquiry.com/datasets/sex-ratio-at-birth/1966

0674 held

Other years

‹ The year before
Sex Ratio at Birth, 1965
222 countries
The year after ›
Sex Ratio at Birth, 1967
222 countries
All of them
Sex Ratio at Birth: every year
74 held, with the data dictionary, coverage and licence.
How it has moved, charted by country

07Questions