Share of one-year-olds who are vaccinated against polio in Laos
Laos: Share of one-year-olds who are vaccinated against polio was 70.0% in 2024. ◆ Volatile
Share of one-year-olds who are vaccinated against polio in Laos, 1981–2024
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who are vaccinated against polio in Laos stood at 70.0%.
The figure is down 7.9% on the previous year and down 15.7% over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in Laos peaked at 85.0% in 2015 and was at its lowest, 4.0%, in 1985.
That places Laos 169th out of 194 countries with data for 2024, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Share of one-year-olds who are vaccinated against polio in Laos, year by year
| Year | % | Change |
|---|---|---|
| 1981 | 7.0% | — |
| 1982 | 7.0% | +0.0% |
| 1983 | 7.0% | +0.0% |
| 1984 | 5.0% | -28.6% |
| 1985 | 4.0% | -20.0% |
| 1986 | 6.0% | +50.0% |
| 1987 | 10.0% | +66.7% |
| 1988 | 17.0% | +70.0% |
| 1989 | 22.0% | +29.4% |
| 1990 | 26.0% | +18.2% |
| 1991 | 22.0% | -15.4% |
| 1992 | 27.0% | +22.7% |
| 1993 | 26.0% | -3.7% |
| 1994 | 58.0% | +123.1% |
| 1995 | 64.0% | +10.3% |
| 1996 | 68.0% | +6.2% |
| 1997 | 69.0% | +1.5% |
| 1998 | 67.0% | -2.9% |
| 1999 | 64.0% | -4.5% |
| 2000 | 57.0% | -10.9% |
| 2001 | 55.0% | -3.5% |
| 2002 | 55.0% | +0.0% |
| 2003 | 52.0% | -5.5% |
| 2004 | 46.0% | -11.5% |
| 2005 | 50.0% | +8.7% |
| 2006 | 56.0% | +12.0% |
| 2007 | 46.0% | -17.9% |
| 2008 | 60.0% | +30.4% |
| 2009 | 67.0% | +11.7% |
| 2010 | 76.0% | +13.4% |
| 2011 | 78.0% | +2.6% |
| 2012 | 76.0% | -2.6% |
| 2013 | 82.0% | +7.9% |
| 2014 | 83.0% | +1.2% |
| 2015 | 85.0% | +2.4% |
| 2016 | 84.0% | -1.2% |
| 2017 | 83.0% | -1.2% |
| 2018 | 81.0% | -2.4% |
| 2019 | 73.0% | -9.9% |
| 2020 | 68.0% | -6.8% |
| 2021 | 67.0% | -1.5% |
| 2022 | 62.0% | -7.5% |
| 2023 | 76.0% | +22.6% |
| 2024 | 70.0% | -7.9% |
Laos compared with similar countries
- Laos's 70.0% is below the median for lower middle income countries, which is 84.5%, 83% of the median. (46 countries reporting)
- Laos's 70.0% is below the median for East Asia & Pacific, which is 90.0%, 78% of the median. (30 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds who are vaccinated against polio in Laos changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1994 | +123.1% | 26.0% | 58.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 9.4% | 4.0% | 22.0% | 9 |
| 1990s | 49.1% | 22.0% | 69.0% | 10 |
| 2000s | 54.4% | 46.0% | 67.0% | 10 |
| 2010s | 80.1% | 73.0% | 85.0% | 10 |
| 2020s | 68.6% | 62.0% | 76.0% | 5 |
Countries ranked near Laos
More health data for Laos
- Un projection of annual infant deaths, annual growth rate -2.76 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.5667 % change on previous year (2090)
- Number of infants who die before age 1 317 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 15 (2025)
- Population ages 00-04, female, annual growth rate -0.5161 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0489 units per person (2025)
- Population ages 00-04, male, annual growth rate -0.5055 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.0511 units per person (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in Laos?
- Share of one-year-olds who are vaccinated against polio in Laos was 70.0% in 2024, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds who are vaccinated against polio recorded in Laos?
- The highest recorded value was 85.0% in 2015.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in Laos?
- The lowest recorded value was 4.0% in 1985.
- How does Laos rank for share of one-year-olds who are vaccinated against polio?
- Laos ranks 169th out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in Laos?
- Over the last ten years it is down 15.7%. The long-run trend across the full record is volatile.
- Where does this Laos data come from?
- The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds who are vaccinated against polio. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.