IDA blend vs Tanzania: Population growth (annual %) (World Population)
IDA blend
1.9%
in 2025
Tanzania
2.9%
in 2025
IDA blend rank
13th
Tanzania rank
16th
Population growth (annual %) (World Population) over time
- IDA blend
- Tanzania
How they compare
Tanzania currently reports 2.9% against 1.9% in IDA blend, a difference of 1.0%.
That makes Tanzania's figure about 1.5 times IDA blend's.
The two have swapped places 8 times across 65 shared years of data; in 1961 it was Tanzania ahead.
IDA blend ranks 13th and Tanzania ranks 16th of 47 groups.
Across the 7 decades both report, IDA blend averaged higher in 2 and Tanzania in 5.
Head to head by decade
| Decade | IDA blend | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.7% | 3.1% | 0.4% | Tanzania |
| 1970s | 2.9% | 3.5% | 0.6% | Tanzania |
| 1980s | 3.2% | 3.1% | 0.1% | IDA blend |
| 1990s | 2.8% | 2.7% | 0.1% | IDA blend |
| 2000s | 2.6% | 2.7% | 0.2% | Tanzania |
| 2010s | 2.1% | 3.0% | 0.9% | Tanzania |
| 2020s | 1.9% | 2.9% | 1.0% | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population growth, IDA blend or Tanzania?
- Tanzania, at 2.9% against 1.9% in IDA blend as of 2025.
- What is the difference in population growth between IDA blend and Tanzania?
- 1.0%, with Tanzania ahead.
- How many years of comparable data are there for IDA blend and Tanzania?
- 65 years are reported by both, from 1961 to 2025.
- How do IDA blend and Tanzania rank globally for population growth?
- IDA blend ranks 13th and Tanzania ranks 16th of 47 groups.
- Where does this data come from?
- World Population Prospects, United Nations (UN), note: Derived from total population, publisher: UN Population Division, published as Population growth (annual %). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual population growth rate for year t is the exponential rate of growth of midyear population from year t-1 to t, expressed as a percentage. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.