Measuring Gender Inequality: GDI and GEM Indicators

Gender inequality continues to affect millions of people worldwide, limiting opportunities and hindering development. To address this challenge effectively, we need reliable ways to measure where disparities exist and track progress over time. Two important tools emerged in the mid-1990s to fill this gap: the Gender-Related Development Index (GDI) and the Gender Empowerment Measure (GEM). Both indices were introduced in 1995 by the United Nations Development Programme to provide a more comprehensive understanding of gender inequality across countries.

What are GDI and GEM? 🔗

The Gender-Related Development Index and Gender Empowerment Measure represent two distinct approaches to understanding gender inequality. While they share the common goal of highlighting gender disparities, each index focuses on different aspects of women’s and men’s lives.

The GDI measures gender inequalities in achievement across three fundamental dimensions of human development: health, education, and command over economic resources. It essentially adjusts the traditional Human Development Index to account for disparities between men and women. The GDI is calculated as the ratio of female HDI to male HDI, with values closer to 1 indicating greater gender parity.

The GEM takes a different approach by focusing specifically on women’s opportunities to participate actively in economic and political life. According to the UN Economic and Social Commission for Western Asia, the GEM measures inequalities between men’s and women’s opportunities in a country, examining political participation, economic decision-making power, and control over economic resources.

GDI: A closer look at gender disparities 🔗

The Gender-Related Development Index provides a detailed picture of how gender affects human development outcomes. By examining three core dimensions, the GDI reveals where women and men stand in terms of basic opportunities and capabilities.

Health dimension 🔗

The health component focuses on life expectancy at birth for both males and females. The GDI acknowledges biological differences by accounting for the fact that women typically live longer than men. However, the index examines whether this gap is appropriate or if it reflects underlying health inequalities that need to be addressed.

Education dimension 🔗

Education is measured through two indicators: expected years of schooling for children and mean years of schooling for adults aged 25 and older. Both indicators are calculated separately for females and males. When women have significantly fewer years of education than men, this signals a clear gender disparity that affects their lifetime opportunities and economic potential.

Income dimension 🔗

The third component examines command over economic resources through estimated earned income. This dimension looks at actual income earned by women and men, revealing wage gaps and economic disparities. For countries with missing wage data, the global average female-to-male wage ratio of 0.8 is used as an estimate.

The GDI cannot stand alone as an independent measure. It must be used in conjunction with the HDI score. Only the gap between the HDI and GDI provides meaningful insight into gender disparities. A smaller gap indicates that human development gains are distributed more equally between women and men.

GEM: Measuring women’s empowerment in decision-making 🔗

While the GDI focuses on basic human development outcomes, the Gender Empowerment Measure shifts attention to women’s active participation in economic and political spheres. The GEM was designed to measure whether women and men are able to actively participate in economic and political life and take part in decision-making processes.

Political participation and decision-making 🔗

The political dimension examines the proportion of parliamentary seats held by women. This indicator reflects women’s representation in national legislatures and their ability to influence policy decisions that affect entire populations. Countries with higher percentages of women in parliament tend to show different spending priorities, with research indicating that greater female representation correlates with increased investment in education and healthcare.

Economic participation and decision-making power 🔗

The GEM measures women’s economic empowerment through two key indicators. First, it examines the percentage of women serving as legislators, senior officials, and managers. Second, it looks at women’s share of professional and technical positions. These indicators reveal whether women have access to positions where they can make important economic decisions and shape organizational policies.

Power over economic resources 🔗

The third component measures estimated earned income, calculated at purchasing power parity. This dimension assesses whether women have actual control over economic resources, not just access to employment. The GEM calculation process combines these percentages into an Equally Distributed Equivalent Percentage for each area, which rewards gender equality and penalizes inequality.

The GEM has proven valuable for comparative research. Studies have used it to examine relationships between gender empowerment and various social outcomes, from government spending priorities to public health patterns. However, the measure focuses primarily on formal sectors and documented positions, which means it may not fully capture empowerment in contexts where women work predominantly in informal economies.

Using GDI and GEM data for policy action 🔗

Both indices serve as powerful tools for policymakers seeking to reduce gender disparities. They provide concrete data that can guide resource allocation and policy priorities. Understanding how to use these measures effectively is essential for creating meaningful change.

Identifying priority areas 🔗

Countries can use GDI data to pinpoint specific dimensions where gender gaps are widest. For example, if a nation shows significant disparities in the education component, policymakers can direct resources toward programs that improve girls’ access to schooling and reduce dropout rates. Similarly, large gaps in the income dimension might indicate the need for equal pay legislation or programs that support women entrepreneurs.

GEM data helps identify barriers to women’s participation in leadership and decision-making roles. Countries with low GEM scores often prioritize policies to increase women’s political participation, such as implementing gender quotas in elections or creating mentorship programs for women in business and government.

Learning from high-performing countries 🔗

Countries that rank highly on both indices offer valuable lessons. Nordic countries like Norway, Sweden, and Denmark consistently achieve high GDI scores through comprehensive policy packages. These include generous parental leave policies that allow both parents to share childcare responsibilities, strong education systems with emphasis on girls’ participation in STEM fields, and robust social welfare systems that provide safety nets for all citizens.

Norway’s parental leave policy, which allows parents to share 49 weeks of leave with 10 weeks reserved specifically for fathers, demonstrates how targeted policies can shift cultural norms and promote more equal distribution of family responsibilities. This approach recognizes that gender equality requires changing expectations for both women and men.

Monitoring progress over time 🔗

The annual publication of GDI and GEM data allows countries to track their progress and assess whether policy interventions are working. Governments can compare their performance against regional averages and identify areas where they are falling behind. This ongoing monitoring helps ensure accountability and allows for course corrections when policies fail to produce expected results.

Limitations and considerations 🔗

While both indices provide valuable insights, policymakers must understand their limitations. The GDI has been criticized for not capturing unpaid care work, such as childcare and household labor, which predominantly falls on women. The income component may also fail to account for shared household resources, potentially overstating disparities in some contexts.

The GEM faces challenges related to data availability, particularly in developing countries where statistics on women’s participation in formal sectors may be incomplete. Additionally, the measure focuses on quantitative representation without assessing whether women in leadership positions can actually influence decisions or whether they promote policies that benefit other women.

Despite these limitations, both indices remain important tools for understanding and addressing gender inequality. The UNDP introduced the Gender Inequality Index in 2010 to address some shortcomings of the GDI and GEM, but the earlier measures continue to provide valuable historical data and insights into different dimensions of gender disparity.

Creating comprehensive policy responses 🔗

Effective use of GDI and GEM data requires comprehensive policy approaches that address multiple dimensions simultaneously. Education policies must be paired with efforts to change cultural attitudes that discourage girls from pursuing certain fields. Economic empowerment programs need to be accompanied by policies that support work-life balance, such as affordable childcare and flexible working arrangements.

Political empowerment initiatives should go beyond representation numbers to ensure that women in leadership positions have genuine decision-making power and resources to implement their priorities. This might include providing training and support networks for women entering politics or requiring gender-balanced committees in legislative bodies.

What do you think? How might your country use GDI and GEM data more effectively to address gender disparities? What additional measures would help capture aspects of gender equality that these indices might miss?

References

1. https://en.wikipedia.org/wiki/Gender_Development_Index
2. https://hdr.undp.org/gender-development-index
3. https://www.unescwa.org/sd-glossary/gender-empowerment-measure-gem
4. https://www.undp.org/sites/g/files/zskgke326/files/migration/tr/UNDP-TR-EN-HDR-2019-FAQS-GDI.pdf
5. https://en.wikipedia.org/wiki/Gender_Empowerment_Measure
6. https://www.sociostudies.org/journal/articles/281817/
7. https://www.numberanalytics.com/blog/gdi-action-case-studies-insights
8. https://en.wikipedia.org/wiki/Gender_Inequality_Index