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): 6.17 in 1950 → 1.35 in 2023 (−78%). Peak: 6.54 in 1955; the latest value is 79% lower. Thresholds: below 2.1 since 2002, below 1.5 since 2017. The trend broke around 1959 and 1985: +0.03 → −0.13 → −0.05 a year.
Births: 49k in 1950 → 28.8k in 2023 (−41%). Peak: 85.5k in 1990; the latest value is 66% lower. The trend broke around 1991 and 2005: +0.74k → −3.21k → −0.65k a year.
Population: 1.25M in 1950 → 2.81M in 2023 (+125%). Peak: 3.28M in 1991; the latest value is 14% lower. The trend broke around 1990: direction reversed (+56.9k → −15.9k a year).
Internet: 0% in 1990 → 85.9% in 2024 (+86 pp). Thresholds: above 10% since 2007, above 50% since 2013. Fastest growth in 2005–2010: 6% → 45%.
Urban share: 30.8% in 1960 → 58.9% in 2025 (+28 pp). Threshold: above 50% since 2009. The trend broke around 1994 and 2014: +0.19 → +0.92 → +0.36 a year.
GDP per person (PPP): 5,561 PPP dollars in 1990 → 22,724 PPP dollars in 2025 (×4.1). Low: 3,761 PPP dollars in 1992; ×6 since then. The trend broke around 1997 and 2019: +96 → +507 → +1,069 a year.
GDP growth: on average 2.6% in the 1980s, 0.3% in the 1990s, 5.9% in the 2000s, 2.6% in the 2010s, 3.7% in the 2020s. Lowest: −28% in 1991; highest: 12.9% in 1999.
Inflation: on average 44.4% in the 1990s, 2.7% in the 2000s, 2.1% in the 2010s, 3.3% in the 2020s. Lowest: −0.2% in 1990; highest: 226% in 1992.
What changed at the same time
The fastest decline of "Fertility (TFR)" was in 1971–1981: 5.08 → 3.47. Over the same years: births 73.9k → 73.9k; population 2.24M → 2.79M; urban share 31.8% → 33.9%; GDP growth 5.7% (1981); no data for the others in those years.
Over the last 10 years (2013–2023): fertility (TFR) 1.74 → 1.35; births 38.2k → 28.8k; population 2.91M → 2.81M; internet 51.8% → 83.1%; urban share 54.3% → 58.2%; GDP per person (PPP) 12,873 PPP dollars → 20,502 PPP dollars; GDP growth 1% → 4%; inflation 1.9% → 4.8%.
How the indicators relate
Fertility (TFR) and internet (1990–2023, 30 years): levels are strongly related, in opposite directions (r = −0.81); year-to-year changes show no reliable link (r = 0.35). This looks like a shared trend: both change over time, but not in step from year to year.
Fertility (TFR) and urban share (1960–2023, 64 years): levels are strongly related, in opposite directions (r = −0.86); year-to-year changes show no reliable link (r = 0.02). 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 = −0.90); 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 10 of 11 revisions (1998–2022) and above in 1; median gap −21%.
Fertility (TFR): UN 2024 projection (medium): 2050 — 1.40 (+4% vs 2023), 2100 — 1.49 (+11% vs 2023); low variant for 2100: 0.99.
Births: past UN projections. The outcome was below the projection in 10 of 11 revisions (1998–2022) and above in 1; median gap −34%.
The UN 2000 projection did not expect today's level (28.8k, 2023) before its horizon ended (2047).
The UN 2019 projection expected today's level (28.8k, 2023) only around 2026: reality is 3 years ahead of it.
Births: UN 2024 projection (medium): 2050 — 15.7k (−46% vs 2023), 2100 — 7.15k (−75% vs 2023); low variant for 2100: 1.59k.
Population: past UN projections. The outcome was below the projection in 12 of 12 revisions (1998–2022) and above in none; median gap −16%.
Population: UN 2024 projection (medium): 2050 — 2.24M (−20% vs 2023), 2100 — 1.19M (−58% vs 2023); low variant for 2100: 718k.
GDP growth: IMF next-year forecasts (34 editions, 2007–2023). On average the outcome was 0.6 pp below the forecast; below it in 62% of cases; typical error ±1.5 pp. The biggest miss was for 2020: IMF, October 2019 expected 4%, the outcome was −3.3%.
GDP growth: latest IMF forecast (IMF, April 2026): 2025 — 3.7%, 2027 — 3.2%, 2031 — 3.2%.
Inflation: IMF next-year forecasts (36 editions, 2007–2024). On average the outcome was 0.2 pp below the forecast; below it in 69% of cases; typical error ±1.1 pp. The biggest miss was for 2022: IMF, April 2021 expected 2.3%, the outcome was 6.7%.
Inflation: latest IMF forecast (IMF, April 2026): 2026 — 3.4%, 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
3.76M
2.81M
−25.2%
UN 2000
2023
23 years
3.63M
2.81M
−22.6%
UN 2002
2023
21 years
3.6M
2.81M
−21.9%
UN 2004
2023
19 years
3.46M
2.81M
−18.8%
UN 2006
2023
17 years
3.47M
2.81M
−18.9%
UN 2008
2023
15 years
3.38M
2.81M
−16.7%
UN 2010
2023
13 years
3.3M
2.81M
−14.9%
UN 2012
2023
11 years
3.27M
2.81M
−14%
UN 2015
2023
8 years
2.95M
2.81M
−4.8%
UN 2017
2023
6 years
2.95M
2.81M
−4.6%
UN 2019
2023
4 years
2.86M
2.81M
−1.6%
UN 2022
2023
1 year
2.83M
2.81M
−0.7%
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
57.1k
32.6k
−42.8%
UN 2000
2015–2020
18 years
56.9k
32.6k
−42.6%
UN 2002
2015–2020
16 years
53.3k
32.6k
−38.7%
UN 2004
2015–2020
14 years
53.7k
32.6k
−39.2%
UN 2006
2015–2020
12 years
50k
32.6k
−34.7%
UN 2008
2015–2020
10 years
49.7k
32.6k
−34.4%
UN 2010
2015–2020
8 years
39.6k
32.6k
−17.6%
UN 2012
2015–2020
6 years
42.4k
32.6k
−23.1%
UN 2015
2015–2020
2 years
40.2k
32.6k
−18.8%
UN 2017
2015–2020
0 years
34.2k
32.6k
−4.6%
UN 2022
2023
1 year
28.5k
28.8k
+0.9%
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
2.10
1.47
−30%
UN 2000
2015–2020
18 years
2.10
1.47
−30%
UN 2002
2015–2020
16 years
1.98
1.47
−25.6%
UN 2004
2015–2020
14 years
2.01
1.47
−26.8%
UN 2006
2015–2020
12 years
1.85
1.47
−20.5%
UN 2008
2015–2020
10 years
1.85
1.47
−20.5%
UN 2010
2015–2020
8 years
1.47
1.47
+0.1%
UN 2012
2015–2020
6 years
1.77
1.47
−17%
UN 2015
2015–2020
2 years
1.78
1.47
−17.2%
UN 2017
2015–2020
0 years
1.71
1.47
−13.8%
UN 2022
2023
1 year
1.37
1.35
−1.7%
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
34
−0.6 pp
1.5 pp
62%
Inflation
36
−0.2 pp
1.1 pp
69%
Unemployment rate
29
+0.2 pp
2.5 pp
59%
Government gross debt
28
−0.8 pp
6.2 pp
43%
All indicators
Demography
Population
2.81M persons, 1 July latest value, 2023
Population on 1 July. UN estimate to 2023, medium variant from 2024; past UN revisions for forecast checks.