Computed with the same code as the observations under the main chart and in the API (get_insights). Moving together in time does not prove a cause.
How the indicators changed
Fertility (TFR): 7.12 in 1950 → 2.22 in 2023 (−69%). The trend broke around 1975 and 2002: −0.02 → −0.14 → −0.03 a year.
Births: 72.1k in 1950 → 132k in 2023 (+83%). Peak: 153k in 1991; the latest value is 13% lower. The trend broke around 1983: direction reversed (+2.95k → −0.51k a year).
Population: 1.33M in 1950 → 6.82M in 2023 (×5.1).
Internet: 0% in 1990 → 61.4% in 2024 (+61 pp). Thresholds: above 10% since 2010, above 50% since 2021. Fastest growth in 2017–2022: 30.4% → 59.4%.
Urban share: 39.2% in 1960 → 59.4% in 2025 (+20 pp). Threshold: above 50% since 1977. The trend broke around 1971 and 1984: +0.85 → +0.34 → +0.17 a year.
GDP per person (PPP): 4,218 PPP dollars in 1990 → 7,933 PPP dollars in 2025 (+88%). Low: 3,934 PPP dollars in 1993; +102% since then.
GDP growth: on average −0.8% in the 1980s, 3.2% in the 1990s, 2.9% in the 2000s, 3.5% in the 2010s, 4.1% in the 2020s. Lowest: −12.4% in 1988; highest: 10.5% in 2021.
Inflation: on average 2,703.2% in the 1980s, 321.6% in the 1990s, 9.0% in the 2000s, 5.6% in the 2010s, 5.7% in the 2020s. Lowest: 2.1% in 2025; highest: 13,110% in 1987.
What changed at the same time
The fastest decline of "Fertility (TFR)" was in 1987–1997: 5.07 → 3.47. Over the same years: births 152k → 144k; population 3.88M → 4.81M; internet 0.2% (1997); urban share 52.9% → 54.8%; GDP per person (PPP) 4,408 PPP dollars (1997); GDP growth −0.7% → 4%; inflation 13,110% → 9.2%.
Over the last 10 years (2013–2023): fertility (TFR) 2.49 → 2.22; births 139k → 132k; population 5.98M → 6.82M; internet 15.5% → 60.3%; urban share 57.4% → 59.1%; GDP per person (PPP) 6,494 PPP dollars → 7,497 PPP dollars; GDP growth 4.9% → 4.4%; inflation 7.1% → 8.4%.
How the indicators relate
Fertility (TFR) and internet (1990–2023, 31 years): levels are noticeably related, in opposite directions (r = −0.67); year-to-year changes show no reliable link (r = −0.35).
Fertility (TFR) and urban share (1960–2023, 64 years): levels are strongly related, in opposite directions (r = −0.92); year-to-year changes show no reliable link (r = 0.66). This looks like a shared trend: both change over time, but not in step from year to year.
Fertility (TFR) and GDP per person (PPP) (1990–2023, 34 years): levels are strongly related, in opposite directions (r = −0.89); year-to-year changes show no reliable link (r = 0.09). This looks like a shared trend: both change over time, but not in step from year to year.
Forecasts vs actual
Fertility (TFR): past UN projections. The outcome was below the projection in 7 of 11 revisions (1998–2022) and above in 4; median gap −0.4%.
The UN 1998 projection expected today's level (2.22, 2023) only around 2029: reality is 6 years ahead of it.
The UN 2022 projection expected today's level (2.22, 2023) only around 2025: reality is 2 years ahead of it.
Fertility (TFR): UN 2024 projection (medium): 2050 — 1.86 (−16% vs 2023), 2100 — 1.72 (−23% vs 2023); low variant for 2100: 1.22.
Births: past UN projections. The outcome was below the projection in 7 of 11 revisions (1998–2022) and above in 4; median gap −0.9%.
The UN 2004 projection expected today's level (132k, 2023) only around 2032: reality is 9 years ahead of it.
The UN 2022 projection expected today's level (132k, 2023) only around 2031: reality is 8 years ahead of it.
Births: UN 2024 projection (medium): 2050 — 114k (−13% vs 2023), 2100 — 78.1k (−41% vs 2023); low variant for 2100: 26.8k.
Population: past UN projections. The outcome was below the projection in 9 of 12 revisions (1998–2022) and above in 3; median gap −1.4%.
The UN 1998 projection expected this level (6.82M) already around 2011: reality is 12 years behind it.
The UN 2019 projection expected this level (6.82M) already around 2022: reality is 1 year behind it.
Population: UN 2024 projection (medium): 2050 — 8.76M (+28% vs 2023), 2100 — 8.61M (+26% vs 2023); low variant for 2100: 5.54M.
GDP growth: IMF next-year forecasts (36 editions, 2007–2024). On average the outcome was 0.3 pp above the forecast; below it in 28% of cases; typical error ±2.8 pp. The biggest miss was for 2021: IMF, October 2020 expected −0.5%, the outcome was 10.5%.
GDP growth: latest IMF forecast (IMF, April 2026): 2026 — 3.8%, 2028 — 3.5%, 2031 — 3.5%.
Inflation: IMF next-year forecasts (36 editions, 2007–2024). On average the outcome was 0 pp below the forecast; below it in 67% of cases; typical error ±2.9 pp. The biggest miss was for 2008: IMF, April 2007 expected 5.2%, the outcome was 19.8%.
Inflation: latest IMF forecast (IMF, April 2026): 2026 — 3.5%, 2028 — 3%, 2031 — 3%.
UN projections vs actual
Solid line: actual data, UN WPP 2024 estimates to 2023, then national statistics where comparable with the UN. Dashed: medium variants of past UN revisions. The table shows what each revision expected for the latest year (or five-year period) with actual data.
Population
persons, 1 July
Actual
UN 1998
UN 2000
UN 2002
UN 2004
UN 2006
UN 2008
UN 2010
UN 2012
UN 2015
UN 2017
UN 2019
UN 2022
UN 2024, medium
Release
Target period
Horizon
Expected
Actual
Actual vs expected
UN 1998
2023
25 years
8.42M
6.82M
−19%
UN 2000
2023
23 years
8.34M
6.82M
−18.2%
UN 2002
2023
21 years
8.06M
6.82M
−15.4%
UN 2004
2023
19 years
7.48M
6.82M
−8.8%
UN 2006
2023
17 years
6.93M
6.82M
−1.5%
UN 2008
2023
15 years
6.91M
6.82M
−1.3%
UN 2010
2023
13 years
6.81M
6.82M
+0.1%
UN 2012
2023
11 years
6.89M
6.82M
−1%
UN 2015
2023
8 years
6.61M
6.82M
+3.2%
UN 2017
2023
6 years
6.61M
6.82M
+3.3%
UN 2019
2023
4 years
6.86M
6.82M
−0.5%
UN 2022
2023
1 year
7.05M
6.82M
−3.2%
Births
births per year
Actual
UN 1998
UN 2000
UN 2002
UN 2004
UN 2006
UN 2008
UN 2010
UN 2012
UN 2015
UN 2017
UN 2019
UN 2022
UN 2024, medium
Release
Target period
Horizon
Expected
Actual
Actual vs expected
UN 1998
2015–2020
20 years
181k
136k
−24.6%
UN 2000
2015–2020
18 years
178k
136k
−23.5%
UN 2002
2015–2020
16 years
175k
136k
−22.4%
UN 2004
2015–2020
14 years
152k
136k
−10.3%
UN 2006
2015–2020
12 years
137k
136k
−0.9%
UN 2008
2015–2020
10 years
137k
136k
−0.7%
UN 2010
2015–2020
8 years
132k
136k
+3.1%
UN 2012
2015–2020
6 years
135k
136k
+1.1%
UN 2015
2015–2020
2 years
118k
136k
+15.2%
UN 2017
2015–2020
0 years
118k
136k
+15.2%
UN 2022
2023
1 year
138k
132k
−4.3%
Total fertility rate
children per woman
Actual
UN 1998
UN 2000
UN 2002
UN 2004
UN 2006
UN 2008
UN 2010
UN 2012
UN 2015
UN 2017
UN 2019
UN 2022
UN 2024, medium
Release
Target period
Horizon
Expected
Actual
Actual vs expected
UN 1998
2015–2020
20 years
2.68
2.36
−11.8%
UN 2000
2015–2020
18 years
2.66
2.36
−11.1%
UN 2002
2015–2020
16 years
2.69
2.36
−12.2%
UN 2004
2015–2020
14 years
2.41
2.36
−2%
UN 2006
2015–2020
12 years
2.37
2.36
−0.4%
UN 2008
2015–2020
10 years
2.37
2.36
−0.4%
UN 2010
2015–2020
8 years
2.30
2.36
+2.6%
UN 2012
2015–2020
6 years
2.33
2.36
+1.3%
UN 2015
2015–2020
2 years
2.16
2.36
+9.4%
UN 2017
2015–2020
0 years
2.16
2.36
+9.4%
UN 2022
2023
1 year
2.25
2.22
−1.5%
IMF forecasts vs actual
Solid line: actual values from the latest IMF edition (data get revised, so we use the newest). Dashed: April editions, current year and five years ahead. The table covers next-year forecasts from all editions: mean error shows bias, mean absolute error shows accuracy.
Real GDP growth
% per year
Actual (IMF)
WEO, April editions
Indicator
Forecasts
Mean error
Mean absolute error
Actual below forecast
Real GDP growth
36
+0.3 pp
2.8 pp
28%
Inflation
36
0 pp
2.9 pp
67%
Unemployment rate
29
−3.8 pp
3.9 pp
93%
Government gross debt
26
−8.1 pp
11.7 pp
65%
All indicators
Demography
Population
6.82M persons, 1 July latest value, 2023
Population on 1 July. UN estimate to 2023, medium variant from 2024; past UN revisions for forecast checks.