New Zealand vs Sierra Leone: Sex ratio by age
New Zealand
38.3 males per 100 females
in 2023
Sierra Leone
37.5 males per 100 females
in 2023
New Zealand rank
41st
Sierra Leone rank
43rd
Sex ratio by age over time
- New Zealand
- Sierra Leone
How they compare
New Zealand currently reports 38.3 males per 100 females against 37.5 males per 100 females in Sierra Leone, a difference of 0.8 males per 100 females.
The two have swapped places 5 times across 74 shared years of data; in 1950 it was Sierra Leone ahead.
New Zealand ranks 41st and Sierra Leone ranks 43rd of 212 countries.
Across the 8 decades both report, New Zealand averaged higher in 3 and Sierra Leone in 5.
Head to head by decade
| Decade | New Zealand | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 45.19 males per 100 females | 10 males per 100 females | 35.19 males per 100 females | New Zealand |
| 1960s | 42.27 males per 100 females | 0 males per 100 females | 42.27 males per 100 females | New Zealand |
| 1970s | 31.76 males per 100 females | 17.5 males per 100 females | 14.26 males per 100 females | New Zealand |
| 1980s | 22 males per 100 females | 30 males per 100 females | 8 males per 100 females | Sierra Leone |
| 1990s | 18.33 males per 100 females | 50 males per 100 females | 31.67 males per 100 females | Sierra Leone |
| 2000s | 17.04 males per 100 females | 32.76 males per 100 females | 15.72 males per 100 females | Sierra Leone |
| 2010s | 23.6 males per 100 females | 33.21 males per 100 females | 9.61 males per 100 females | Sierra Leone |
| 2020s | 31.45 males per 100 females | 37.5 males per 100 females | 6.05 males per 100 females | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher sex ratio by age, New Zealand or Sierra Leone?
- New Zealand, at 38.3 males per 100 females against 37.5 males per 100 females in Sierra Leone as of 2023.
- What is the difference in sex ratio by age between New Zealand and Sierra Leone?
- 0.8 males per 100 females, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Sierra Leone?
- 74 years are reported by both, from 1950 to 2023.
- How do New Zealand and Sierra Leone rank globally for sex ratio by age?
- New Zealand ranks 41st and Sierra Leone ranks 43rd of 212 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) – processed by Our World in Data, published as Sex ratio by age. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of males per 100 females at age 100+.