Health · Lower middle income
Yearly data from 1960 to 2025, from the World Bank.
Lower middle income's population ages 50-54, male (% of male population) was 4.49% in 2025, the latest year in the World Bank's World Development Indicators. That is up 0.38 percentage points from 4.11% in 2015.
| Value | Year | |
|---|---|---|
| Latest | 4.49% | 2025 |
| Five years earlier | 4.24% | 2020 |
| Ten years earlier | 4.11% | 2015 |
| Highest | 4.49% | 2025 |
| Lowest | 3.08% | 1994 |
| Average since 2016 | 4.28% | 2016–2025 |
| First recorded | 3.56% | 1960 |
Over five years it is up 0.25 percentage points from 4.24% in 2020. Since 1960 it is up 0.93 percentage points from 3.56% in 1960.
In 2025, Lower middle income's population ages 50-54, male (% of male population) rose 0.06 percentage points on 2024 (from 4.43% to 4.49%).
Across the 30 yearly changes before that (1995 to 2024), the average change was +0.05 percentage points and a typical year strayed about 0.02 percentage points from that (the standard deviation). This year's change was 0.6 standard deviations above that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.
On record, the biggest yearly rise was 0.1 percentage points in 2003 and the biggest yearly fall was 0.03 percentage points in 1963. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.
From 2016 to 2025 the straight-line trend is upward, about 0.04 percentage points a year. A straight line explains 97% of the movement over 10 observed years.
Worked out from the yearly values above. How the checks work: standard deviation, z-scores and straight-line trends.
Extending that straight line gives about 4.56% for 2028. We show this only because the same method, fitted on earlier years, predicted 2023 to 2025 better than "no change" would have: its average miss was 0.07%, against 0.11% for assuming no change. Treat it as a continuation of the recent pattern, not a forecast of events: it cannot see a recession, a policy change or a revision to the data.
See how a linear trend forecast works and the guide on forecasting without fooling yourself.
See how every economy compares in the full ranking.
| Value | Year | |
|---|---|---|
| Lower middle income | 4.49% | 2025 |
| World | 5.59% | 2025 |
Male population between the ages 50 to 54 as a percentage of the total male population.
Regional and income-group figures are computed by the World Bank as a weighted average.
| Year | Population ages 50-54, male (% of male population) |
|---|---|
| 2025 | 4.49 |
| 2024 | 4.43 |
| 2023 | 4.38 |
| 2022 | 4.33 |
| 2021 | 4.28 |
| 2020 | 4.24 |
| 2019 | 4.21 |
| 2018 | 4.18 |
| 2017 | 4.16 |
| 2016 | 4.13 |
| 2015 | 4.11 |
| 2014 | 4.08 |
| 2013 | 4.05 |
| 2012 | 4.01 |
| 2011 | 3.98 |
| 2010 | 3.94 |
| 2009 | 3.9 |
| 2008 | 3.86 |
| 2007 | 3.81 |
| 2006 | 3.75 |
| 2005 | 3.68 |
| 2004 | 3.61 |
| 2003 | 3.52 |
| 2002 | 3.41 |
| 2001 | 3.32 |
| 2000 | 3.24 |
| 1999 | 3.17 |
| 1998 | 3.13 |
| 1997 | 3.11 |
| 1996 | 3.09 |
| 1995 | 3.08 |
| 1994 | 3.08 |
| 1993 | 3.09 |
| 1992 | 3.11 |
| 1991 | 3.14 |
| 1990 | 3.16 |
| 1989 | 3.18 |
| 1988 | 3.2 |
| 1987 | 3.22 |
| 1986 | 3.24 |
| 1985 | 3.26 |
| 1984 | 3.28 |
| 1983 | 3.3 |
| 1982 | 3.33 |
| 1981 | 3.35 |
| 1980 | 3.37 |
| 1979 | 3.38 |
| 1978 | 3.38 |
| 1977 | 3.38 |
| 1976 | 3.38 |
| 1975 | 3.39 |
| 1974 | 3.39 |
| 1973 | 3.4 |
| 1972 | 3.41 |
| 1971 | 3.42 |
| 1970 | 3.42 |
| 1969 | 3.43 |
| 1968 | 3.43 |
| 1967 | 3.44 |
| 1966 | 3.45 |
| 1965 | 3.46 |
| 1964 | 3.48 |
| 1963 | 3.5 |
| 1962 | 3.53 |
| 1961 | 3.55 |
| 1960 | 3.56 |
Every indicator for Lower middle income is on the Lower middle income data page.
World Bank, World Development Indicators, indicator SP.POP.5054.MA.5Y, licensed CC BY 4.0. Original source: World Population Prospects, United Nations (UN), publisher: UN Population Division Figures are fetched from the World Bank API and refreshed monthly; see the series on data.worldbank.org. The full definition and method are in the World Bank's metadata glossary. Comparisons use the same World Bank release.
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