Birthgap 15
Based on the most recent published official birth records (and Birthgap harmonisation where noted).
Key fertility indicators — Birthgap 15
| Total Maternal Rate (TMR) | 63.1% |
| Average Maternal Age (AMA) | 28.9 years |
| Birthgap Indicator (TFG) | 27.4% |
| TGI (great-grandchildren per 100 parents) | 38 |
| Total births (latest year) | 5,497,650 |
Motherhood prevalence (TMR)
Birthgap 15 (2024): 63.9%
Birthgap 15’s total maternal rate (TMR) is 63.1% in 2023. There has been a small decline from 2022 (down 0.9pp). Across the most recent five-year window (2019–2023), TMR has been falling with an average of 64.1%. Against the oldest decade baseline on record (2020s, 64.1%), mothers are now having lower by about 1.0pp children on average. Globally ranking is not available because the country is outside the current rankable comparison set.
No data found for country code b15.
Children per mother (CPM)
Birthgap 15 (2024): 2.18
In 2023, mothers in Birthgap 15 had an average of 2.38 children. It is marginally lower than in 2022 (down 0.03). Across the most recent five-year window, CPM is falling with an average of 2.41. Relative to the earliest available baseline in the 2020s (2.41), today’s CPM is close to that long-run level. Globally ranking is not available because the country is outside the current rankable comparison set.
No data found for country code b15.
Average maternal age (AMA)
Birthgap 15 (2024): 29.8 years
In 2023, the average maternal age (AMA) at birth is 28.9 years. It is essentially unchanged from the previous year. Looking at the last five years, AMA has been rising (average 28.8 years). Relative to the earliest available baseline in the 2020s (28.8 years), today’s AMA is close to that long-run level. Globally ranking is not available because the country is outside the current rankable comparison set.
No data found for country code b15.
Total Fertility Gap (TFG)
Birthgap 15 (2024): 33.1%
Birthgap 15’s Total Fertility Gap (TFG) is 27.4% in 2023 (equivalent to a TFR of 1.50). It increased relative to 2022 (up 2.0pp). Across the most recent five-year window (2019–2023), the Total Fertility Gap has been rising with an average of 25.3%. Against the oldest decade baseline on record (2020s, 25.3%), the TFG stands higher by about 2.1pp. Globally ranking is not available because the country is outside the current rankable comparison set.
No data found for country code b15.
Future Worker Gap (FWG)
Birthgap 15 (2024): 37.9%
Birthgap 15’s FWG is 29.2% in 2023. It shows virtually no movement compared with 2022 (little change). Looking at the last five years, FWG has been rising (average 28.2% across 2019–2023). Against the oldest decade baseline on record (2020s, 28.2%), the FWG stands close to that long-run level. Globally ranking is not available because the country is outside the current rankable comparison set. <span class="cs-stale-note">(older data)</span>
No data found for country code b15.
Societal Half-Life (SHL)
Birthgap 15 (2024): 58.5 years
Birthgap 15’s SHL stands at 66.9 years in 2023. It moved sharply down from 2022 (down 6.3 years). Over the past five years, SHL has been falling; the 2019–2023 average is 73.4 years. Relative to the earliest available baseline in the 2020s (73.4 years), today’s SHL is lower by about 6.5 years. Globally ranking is not available because the country is outside the current rankable comparison set.
Triple Generation Impact (TGI)
With this Birthgap (TFG) for every 100 people of fertility age in Birthgap 15, there would be 38 great-grandchildren, representing a -62.0% drop from the current generation.
Globally ranking is not available because the country is outside the current rankable comparison set.
Birth trajectory
Milestones Years: - Births down 50% in 2090 - Births down 75% in 2157 - Births down 90% in 2245
Based on the 2023 birth pattern, total births would fall by half from 5,497,650 in 2023 to 2,748,825 in 2090, and by 90% to 549,765 in 2245 (ignoring migration).
Childlessness rate (TCR)
Birthgap 15 (2024): 36.1%
36.9% of women in Birthgap 15 remain childless over their lifetime (2023). There has been a slight increase since 2022 (up 0.9pp). Looking at the last five years, childlessness has been rising (average 35.9% across 2019–2023). Compared with the long-run norm from the 2020s (35.9%), Birthgap 15’s current TCR is higher by about 1.0pp. Globally ranking is not available because the country is outside the current rankable comparison set.
No data found for country code b15.
Total births
In 2023, Birthgap 15 recorded 5,497,650 total births. It is down from 2022 by 140,714 births. Over the past five years, total births have been falling, averaging 5,648,530 per year. Compared with the 2020s average (5,648,530), total births are now lower by 150,880 births.
No data found for country code b15.
Future Worker Gap (FWG)
Birthgap 15 (2024): 37.9%
Birthgap 15’s FWG is 29.2% in 2023. It shows virtually no movement compared with 2022 (little change). Looking at the last five years, FWG has been rising (average 28.2% across 2019–2023). Against the oldest decade baseline on record (2020s, 28.2%), the FWG stands close to that long-run level. Globally ranking is not available because the country is outside the current rankable comparison set.
No data found for country code b15.