Factors Affecting Population Change

Active learning helps students grasp the complexities of global migration by making abstract concepts tangible. When students step into real-world roles or examine personal stories, they connect emotionally and intellectually to the human dimensions of population change. These activities shift focus from memorization to critical analysis and empathy.

• Secondary 1
• Geography
• 3 activities
• 30 min–45 min

Learning Objectives

1. Analyze the correlation between access to education and fertility rates in different countries.
2. Evaluate the impact of public health initiatives and medical advancements on reducing mortality rates.
3. Explain how economic development influences both birth and death rates.
4. Predict the short-term and long-term demographic shifts following a significant environmental event.
5. Classify factors as social, economic, or environmental that contribute to population change.

Role Play

⏱ 30 min·Pairs

Role Play: The Migration Interview

In pairs, one student acts as a potential migrant and the other as an immigration officer. The migrant must explain their push and pull factors, while the officer decides if they meet the 'criteria' for entry based on a set of fictional country rules.

Prepare & details

Analyze how access to education impacts fertility rates.

Facilitation Tip: During the Role Play, assign clear roles with specific backgrounds to ensure students stay in character and focus on the push and pull factors rather than improvising off-topic.

Setup: Open space or rearranged desks for scenario staging

Materials: Character cards with backstory and goals, Scenario briefing sheet

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

Gallery Walk

⏱ 40 min·Small Groups

Gallery Walk: Stories of Migration

Post 'profiles' of different types of migrants (e.g., a refugee, a high-tech professional, a seasonal farm worker). Students move around and identify the specific push/pull factors for each and the potential impact they will have on their destination.

Prepare & details

Evaluate the role of healthcare advancements in reducing mortality rates.

Setup: Wall space or tables arranged around room perimeter

Materials: Large paper/poster boards, Markers, Sticky notes for feedback

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Formal Debate

⏱ 45 min·Small Groups

Formal Debate: Brain Drain vs. Brain Gain

Divide the class into two teams representing a developing nation and a developed nation. They debate whether it is 'fair' for developed nations to recruit the best doctors and engineers from poorer countries.

Prepare & details

Predict the demographic consequences of a major natural disaster.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Teaching This Topic

Teachers should frame migration as a dynamic process with layered consequences, not a one-sided narrative. Research shows that using real-world case studies and personal stories builds empathy and retention. Avoid oversimplifying by using the term 'illegal migration'—instead, focus on legal pathways and the reasons behind unauthorized movement.

What to Expect

Students will demonstrate understanding by identifying push and pull factors in diverse scenarios, evaluating the impacts of migration on source and host countries, and articulating nuanced perspectives in discussions. Successful learning is evident when students move beyond simplistic views to recognize the interconnectedness of economic, social, and political forces.

Watch Out for These Misconceptions

Common Misconception

During the Gallery Walk of Stories of Migration, watch for students assuming most migrants are moving without permission.

What to Teach Instead

Point students to the gallery cards that include profiles of documented migrants, such as students or professionals with work visas, and ask them to categorize each profile by migration type.

Common Misconception

During the Structured Debate: Brain Drain vs. Brain Gain, watch for students claiming migration only helps the individual.

What to Teach Instead

Have students refer to the debate preparation materials that include data on remittances and host country economic gains, then prompt them to revise their arguments with this evidence.

Assessment Ideas

Discussion Prompt

After the Role Play: The Migration Interview, pose the question: 'Imagine a country experiences a sudden, widespread outbreak of a new disease. Which factors affecting population change would be most immediately impacted, and why?' Guide students to discuss both mortality and potential social or economic consequences, referencing their role-play insights.

Quick Check

During the Gallery Walk: Stories of Migration, provide students with three short case studies, each describing a different hypothetical country with varying levels of education, healthcare access, and environmental stability. Ask them to identify the primary factor driving population change in each case and justify their choice using the gallery materials.

Exit Ticket

After the Structured Debate: Brain Drain vs. Brain Gain, have students write one social factor and one economic factor that can influence a country's birth rate on a slip of paper. Then, ask them to briefly explain the link between each factor and the birth rate, using examples from the debate.

Extensions & Scaffolding

• Challenge early finishers to research a historical migration pattern and present its long-term economic and cultural impacts on both source and host regions.
• Scaffolding for struggling students: Provide sentence stems during the Gallery Walk to help them articulate connections between migration stories and push/pull factors.
• Deeper exploration: Have students interview a community member with migration experience and compare their findings to global patterns.

Key Vocabulary

Fertility Rate	The average number of children born to a woman during her lifetime. It is a key indicator of birth rates.
Mortality Rate	The number of deaths in a population over a specific period, often expressed per 1,000 people. Also known as death rate.
Natural Increase	The difference between the birth rate and the death rate in a population. A positive number means more births than deaths.
Demographic Transition Model	A model that describes how birth and death rates, and thus population growth rates, change over time as a country develops economically and socially.
Infant Mortality Rate	The number of deaths of infants under one year of age per 1,000 live births. It reflects healthcare quality and living conditions.