Sex ratio by age in Brunei
Brunei: Sex ratio by age was 100 males per 100 females in 2023. ◆ Volatile
Latest (2023)
100 males per 100 females
Change on year
up 100.0%
World rank
6th
of 212 countries
All-time high
100 males per 100 females
in 2000
All-time low
0 males per 100 females
in 1992
Years of data
32
1992–2023
Sex ratio by age in Brunei, 1992–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.
Analysis
Brunei recorded 100 males per 100 females for sex ratio by age in 2023. That is the highest value across all 32 years on record.
The figure is up 100.0% on the previous year and up 200.0% over ten years.
Over the whole period, sex ratio by age in Brunei peaked at 100 males per 100 females in 2000 and was at its lowest, 0 males per 100 females, in 1992.
Brunei ranks 6th of 212 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Sex ratio by age in Brunei, year by year
| Year | males per 100 females | Change |
|---|---|---|
| 1992 | 0 males per 100 females | — |
| 1993 | 0 males per 100 females | — |
| 1994 | 0 males per 100 females | — |
| 1995 | 0 males per 100 females | — |
| 1996 | 0 males per 100 females | — |
| 1997 | 0 males per 100 females | — |
| 1998 | 50 males per 100 females | — |
| 1999 | 50 males per 100 females | +0.0% |
| 2000 | 100 males per 100 females | +100.0% |
| 2001 | 100 males per 100 females | +0.0% |
| 2002 | 100 males per 100 females | +0.0% |
| 2003 | 50 males per 100 females | -50.0% |
| 2004 | 50 males per 100 females | +0.0% |
| 2005 | 50 males per 100 females | +0.0% |
| 2006 | 50 males per 100 females | +0.0% |
| 2007 | 50 males per 100 females | +0.0% |
| 2008 | 50 males per 100 females | +0.0% |
| 2009 | 50 males per 100 females | +0.0% |
| 2010 | 50 males per 100 females | +0.0% |
| 2011 | 33.33 males per 100 females | -33.3% |
| 2012 | 33.33 males per 100 females | +0.0% |
| 2013 | 33.33 males per 100 females | +0.0% |
| 2014 | 33.33 males per 100 females | +0.0% |
| 2015 | 33.33 males per 100 females | +0.0% |
| 2016 | 33.33 males per 100 females | +0.0% |
| 2017 | 50 males per 100 females | +50.0% |
| 2018 | 50 males per 100 females | +0.0% |
| 2019 | 50 males per 100 females | +0.0% |
| 2020 | 50 males per 100 females | +0.0% |
| 2021 | 50 males per 100 females | +0.0% |
| 2022 | 50 males per 100 females | +0.0% |
| 2023 | 100 males per 100 females | +100.0% |
Brunei compared with similar countries
- Brunei's 100 males per 100 females is above the median for high income countries, which is 21.34 males per 100 females, 4.7× the median. (78 countries reporting)
- Brunei's 100 males per 100 females is above the median for East Asia & Pacific, which is 21.92 males per 100 females, 4.6× the median. (28 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 12.5 males per 100 females | 0 males per 100 females | 50 males per 100 females | 8 |
| 2000s | 65 males per 100 females | 50 males per 100 females | 100 males per 100 females | 10 |
| 2010s | 40 males per 100 females | 33.33 males per 100 females | 50 males per 100 females | 10 |
| 2020s | 62.5 males per 100 females | 50 males per 100 females | 100 males per 100 females | 4 |
Countries ranked near Brunei
- 3 Mexico 136.31 males per 100 females compare
- 4 South Sudan 111.11 males per 100 females compare
- 5 Chad 110.34 males per 100 females compare
- 6 Belize 100 males per 100 females compare
- 6 British Virgin Islands 100 males per 100 females compare
- 6 Liberia 100 males per 100 females compare
- 6 Papua New Guinea 100 males per 100 females compare
- 6 Solomon Islands 100 males per 100 females compare
More gender data for Brunei
- Child population (UN estimates and projections) 92.36 (2030)
- Child population (UN estimates and projections) (0-14), annual growth -1.1 % change on previous year (2030)
- Population 390.09 (2030)
- Working-age population (UN estimates and projections) 390.09 (2030)
- Population (UN estimates and projections), annual growth rate 1.03 % change on previous year (2030)
- Age population, age 00, female, interpolated 2,928 (2025)
- Age population, age 00, male, interpolated 3,146 (2025)
- Age population, age 01, female, interpolated 2,964 (2025)
- Age population, age 01, male, interpolated 3,187 (2025)
- Age population, age 02, female, interpolated 2,995 (2025)
Frequently asked questions
- What is sex ratio by age in Brunei?
- Sex ratio by age in Brunei was 100 males per 100 females in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest sex ratio by age recorded in Brunei?
- The highest recorded value was 100 males per 100 females in 2000.
- What is the lowest sex ratio by age recorded in Brunei?
- The lowest recorded value was 0 males per 100 females in 1992.
- How does Brunei rank for sex ratio by age?
- Brunei ranks 6th out of 212 countries with data for 2023.
- Is sex ratio by age rising or falling in Brunei?
- Over the last ten years it is up 200.0%. The long-run trend across the full record is volatile.
- Where does this Brunei data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Sex ratio by age. Statizoid updates them automatically from the source API.
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About this data
Number of males per 100 females at age 100+.