Ireland vs Singapore: Historical population data
Historical population data over time
- Ireland
- Singapore
How they compare
Ireland currently reports 5.46 million Persons against 4.20 million Persons in Singapore, a difference of 1.25 million Persons.
That makes Ireland's figure about 1.3 times Singapore's.
Across all 76 years both countries report, Ireland has been ahead every year.
Ireland ranks 36th and Singapore ranks 39th of 43 countries.
Ireland has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Ireland | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 2.92 million Persons | 1.29 million Persons | 1.63 million Persons | Ireland |
| 1960s | 2.87 million Persons | 1.86 million Persons | 1.01 million Persons | Ireland |
| 1970s | 3.15 million Persons | 2.23 million Persons | 918,854 Persons | Ireland |
| 1980s | 3.50 million Persons | 2.46 million Persons | 1.04 million Persons | Ireland |
| 1990s | 3.61 million Persons | 2.99 million Persons | 622,346 Persons | Ireland |
| 2000s | 4.13 million Persons | 3.47 million Persons | 662,438 Persons | Ireland |
| 2010s | 4.71 million Persons | 3.89 million Persons | 814,792 Persons | Ireland |
| 2020s | 5.23 million Persons | 4.11 million Persons | 1.13 million Persons | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher historical population data, Ireland or Singapore?
- Ireland, at 5.46 million Persons against 4.20 million Persons in Singapore as of 2025.
- What is the difference in historical population data between Ireland and Singapore?
- 1.25 million Persons, with Ireland ahead.
- How many years of comparable data are there for Ireland and Singapore?
- 76 years are reported by both, from 1950 to 2025.
- How do Ireland and Singapore rank globally for historical population data?
- Ireland ranks 36th and Singapore ranks 39th of 43 countries.
- Where does this data come from?
- Organisation for Economic Co-operation and Development, published as Historical population data. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
This dataset presents annual population data from 1961 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. See country details in Historical population metadata.