Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Seychelles

Seychelles: Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae was 54.12 one-year-olds in 2023. ◆ Volatile

Latest (2023)
54.12 one-year-olds
Change on year
up 0.7%
World rank
139th
of 143 countries
All-time high
1,438 one-year-olds
in 2018
All-time low
53.76 one-year-olds
in 2022
Years of data
6
2018–2023

Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Seychelles, 2018–2023

05001.0k1.5k2018202020232018: 1.4k one-year-olds2019: 137.9 one-year-olds2020: 103.7 one-year-olds2021: 86.7 one-year-olds2022: 53.8 one-year-olds2023: 54.1 one-year-olds

Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.

Analysis

Seychelles recorded 54.12 one-year-olds for number of one-year-olds who are not vaccinated against streptococcus pneumoniae in 2023.

Compared with earlier readings it is up 0.7% on the previous year and down 96.2% over ten years.

That places Seychelles 139th out of 143 countries with data for 2023, putting it in the bottom quarter.

Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Seychelles, year by year

Annual values for Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Seychelles, 2018 to 2023.
Year one-year-olds Change
2018 1,438 one-year-olds —
2019 137.92 one-year-olds -90.4%
2020 103.68 one-year-olds -24.8%
2021 86.7 one-year-olds -16.4%
2022 53.76 one-year-olds -38.0%
2023 54.12 one-year-olds +0.7%

Seychelles compared with similar countries

  • Seychelles's 54.12 one-year-olds is below the median for high income countries, which is 6,656 one-year-olds, 1% of the median. (53 countries reporting)
  • Seychelles's 54.12 one-year-olds is below the median for Sub-Saharan Africa, which is 54,481 one-year-olds, 0% of the median. (40 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2010s 788 one-year-olds 137.92 one-year-olds 1,438 one-year-olds 2
2020s 74.56 one-year-olds 53.76 one-year-olds 103.68 one-year-olds 4

Countries ranked near Seychelles

  1. 136 Kiribati 295.2 one-year-olds compare
  2. 137 Luxembourg 202.47 one-year-olds compare
  3. 138 Bhutan 97.99 one-year-olds compare
  4. 140 San Marino 37.57 one-year-olds compare
  5. 141 Andorra 26.88 one-year-olds compare
  6. 142 Palau 13.72 one-year-olds compare

See the full ranking of 143 places →

More health data for Seychelles

All data for Seychelles →

Frequently asked questions

What is number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Seychelles?
Number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Seychelles was 54.12 one-year-olds in 2023, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest number of one-year-olds who are not vaccinated against streptococcus pneumoniae recorded in Seychelles?
The highest recorded value was 1,438 one-year-olds in 2018.
What is the lowest number of one-year-olds who are not vaccinated against streptococcus pneumoniae recorded in Seychelles?
The lowest recorded value was 53.76 one-year-olds in 2022.
How does Seychelles rank for number of one-year-olds who are not vaccinated against streptococcus pneumoniae?
Seychelles ranks 139th out of 143 countries with data for 2023.
Is number of one-year-olds who are not vaccinated against streptococcus pneumoniae rising or falling in Seychelles?
Over the last ten years it is down 96.2%. The long-run trend across the full record is volatile.
Where does this Seychelles data come from?
The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 6 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Seychelles. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 26 September 2026, from https://health.statizoid.com/stat/pcv3-number-unvaccinated/seychelles/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://health.statizoid.com/stat/pcv3-number-unvaccinated/seychelles/">Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Seychelles</a> — Statizoid

About this data

Indicator
Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
143 places, 1,662 data points, 2008–2023
Last refreshed

Number of one-year-olds who have not had the third dose of the pneumococcal conjugate vaccine in a given year.