Managing population growth is a key challenge explored in IB Geography, particularly within the Changing Population unit. Governments intervene in population change to address issues such as overpopulation, underpopulation, labour shortages, and pressure on resources. These interventions can be broadly divided into anti-natalist and pro-natalist strategies, as well as indirect development-based approaches.

In countries experiencing rapid population growth, governments often introduce anti-natalist policies to reduce fertility rates. These policies aim to limit family size and slow natural increase. Methods include promoting family planning, increasing access to contraception, and raising awareness about the social and economic benefits of smaller families. Education, particularly female education, plays a crucial role. As women gain access to education and employment, fertility rates tend to decline naturally.

Some governments use economic incentives or disincentives to influence family size. Financial penalties, reduced benefits for larger families, or tax advantages for smaller families are sometimes used to discourage high fertility. However, such policies can be controversial, raising ethical concerns about personal freedom and human rights. Their effectiveness also varies depending on cultural acceptance and enforcement.

In contrast, countries facing population decline or ageing populations may adopt pro-natalist policies to encourage higher birth rates. These policies include financial incentives such as child benefits, tax breaks, subsidised childcare, and extended parental leave. Governments may also invest in affordable housing and flexible working arrangements to reduce the cost of raising children. While pro-natalist policies can slow population decline, they often have limited long-term impact if underlying social attitudes remain unchanged.

Another important strategy for managing population growth is migration policy. Countries with declining or ageing populations may encourage immigration to increase workforce size and support economic growth. Immigration can help balance dependency ratios and fill labour shortages. However, migration policies require careful planning to ensure social integration and access to services.

Many governments also focus on development-led population management. Improving healthcare, reducing infant mortality, expanding education, and increasing living standards can lead to lower fertility rates without direct intervention. This approach aligns with the Demographic Transition Model, as development naturally leads to population stabilisation over time.

In IB Geography exams, effective answers evaluate both the success and limitations of population policies. Students should consider cultural context, ethical implications, and long-term sustainability when assessing government strategies.

RevisionDojo helps IB Geography students understand population management clearly by connecting policy approaches to demographic theory and exam-style evaluation, supporting confident and balanced responses.