To help you analyze population changes over a 20-year period, I'll need more details such as the years you're focusing on, population values, and any specific regions or demographics. If you have this data in a table format, feel free to upload it, and I'll assist you with interpreting or performing calculations.

In the meantime, here are some common analyses that can be performed with population data over time:

1. Population Growth Rate: Calculate the annual or overall percentage change in population.
2. Trend Analysis: Identify whether the population has been increasing or decreasing, and if the rate of change is consistent or fluctuating.
3. Predictive Modeling: Estimate future population based on current trends using methods like linear regression.
4. Comparison Across Years or Regions: Compare changes between different periods or different locations.
5. Per Capita Calculations: If other variables (like resources or income) are provided, you could analyze these per person.

Do you have the table ready, or would you like to provide the data directly?

5 related questions:

1. What specific time periods or regions does the table focus on?
2. How was the population measured (e.g., census data, estimates)?
3. Are there any anomalies or significant jumps in the data that stand out?
4. Would you like to calculate the annual growth rate or another specific metric?
5. Are you interested in predicting future population trends?

Tip:

For population analysis, always normalize your data if comparing between regions of significantly different sizes to get a clearer insight (e.g., calculate growth rate per 1,000 people).