# **Population Growth Index (annual%)**
The **Population Growth Index (annual%)** measures the rate at which a country's population increases in a given year, expressed as a percentage of the population at the beginning of the year.
This graph displays the **annual population growth rates** for five **high-growth countries** over the decade from **2013 to 2022**:
- **Angola**
- **Chad**
- **Mali**
- **Uganda**
- **Ethiopia**
These countries are characterized by **high population growth rates**, often exceeding **2.5%–3% per year**.