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Each individual organism, including humans, has needs. These needs are fulfilled by resources. Resources are always limited, regardless if they are renewable or not. The availability of resources limits a population's growth.
Each individual organism, including humans, has needs. These needs are fulfilled by resources. Resources are always limited, regardless if they are renewable or not. The availability of resources limits a population's growth.
We can make accurate predictions about how a population will change using different models, formulas and tools. Birth/Fertility rates impact population sizes by increasing them. Multiple factors can influence fertility rates— social/cultural, economic and political— therefore, knowing what these rates are can help make predictions about a particular human population (including likely forms of energy resources).
We can make accurate predictions about how a population will change using different models, formulas and tools. Birth/Fertility rates impact population sizes by increasing them. Multiple factors can influence fertility rates— social/cultural, economic and political— therefore, knowing what these rates are can help make predictions about a particular human population (including likely forms of energy resources).
Population and demographic statistics are often presented as the number of people per 1,000 for the following reasons:
Population and demographic statistics are often presented as the number of people per 1,000 for the following reasons:
1. Comparability Across Populations
Expressing rates as "per 1,000 people" makes it easier to compare populations of different sizes. For example, a birth rate of 20 per 1,000 is directly comparable whether the population is 10,000 or 10 million.2. Historical Convention
The tradition of using "per 1,000" dates back to early demographic studies, where it was easier to work with smaller whole numbers rather than fractions or percentages. This practice has persisted for consistency.3. Practical Scale
Many population-level events, such as births or deaths, occur less frequently. Reporting rates per 1,000 ensures the numbers are significant and easy to interpret. For instance, instead of saying 0.02 births per person, it's clearer to say 20 births per 1,000 people.4. Policy and Public Health Utility
Governments and organizations use these rates for planning resources, like healthcare or education. Presenting statistics in this format makes it easier to assess the impact of events (e.g., infant mortality or migration) in terms of manageable, relatable figures.5. Educational and Communication Simplicity
"Per 1,000" is an accessible metric for public understanding and discussion, avoiding the complexity of very small decimals or large raw numbers.Formative Criteria
Formative Criteria
Select evidence from the appropriate model to support an explanation
Analyze trends and discrepancies
Interested in More? Check this out!
Interested in More? Check this out!
The human population is one sustainability indicator. Watch this video about populations and the Sustainable Development Goals.
Explained—
Explained—
Population Pressure on Water Resources
Population Pressure on Water Resources
Posner, J. (Writer). (2018, September 12). Explained: World's Water Crisis [Video file], from https://www.youtube.com/watch?v=C65iqOSCZOY
Age Structure Diagrams
Age Structure Diagrams
Explained in greater detail
Total Fertility Rates
Total Fertility Rates
Effect of Cultural Traditions on TFR WEF, Sahel
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