Japan vs Slovenia: Historical population data
Historical population data over time
- Japan
- Slovenia
How they compare
Japan currently reports 123.22 million Persons against 2.13 million Persons in Slovenia, a difference of 121.09 million Persons.
That makes Japan's figure about 57.8 times Slovenia's.
Across all 76 years both countries report, Japan has been ahead every year.
Japan ranks 9th and Slovenia ranks 7th of 43 countries.
Japan has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Japan | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 89.23 million Persons | 1.52 million Persons | 87.70 million Persons | Japan |
| 1960s | 98.69 million Persons | 1.65 million Persons | 97.04 million Persons | Japan |
| 1970s | 110.86 million Persons | 1.77 million Persons | 109.09 million Persons | Japan |
| 1980s | 120.44 million Persons | 1.95 million Persons | 118.50 million Persons | Japan |
| 1990s | 125.33 million Persons | 1.99 million Persons | 123.33 million Persons | Japan |
| 2000s | 127.68 million Persons | 2.01 million Persons | 125.67 million Persons | Japan |
| 2010s | 127.25 million Persons | 2.06 million Persons | 125.19 million Persons | Japan |
| 2020s | 124.66 million Persons | 2.12 million Persons | 122.55 million Persons | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher historical population data, Japan or Slovenia?
- Japan, at 123.22 million Persons against 2.13 million Persons in Slovenia as of 2025.
- What is the difference in historical population data between Japan and Slovenia?
- 121.09 million Persons, with Japan ahead.
- How many years of comparable data are there for Japan and Slovenia?
- 76 years are reported by both, from 1950 to 2025.
- How do Japan and Slovenia rank globally for historical population data?
- Japan ranks 9th and Slovenia ranks 7th 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.