
The World Bank defines poverty as a multifaceted condition characterized by severe deprivation of basic human needs, including food, clean water, sanitation, healthcare, shelter, education, and access to information. It goes beyond mere income insufficiency, encompassing social, economic, and political dimensions that limit individuals' capabilities and opportunities. The Bank employs two primary measures: extreme poverty, defined as living on less than $2.15 per day (2017 PPP), and moderate poverty, defined as living on less than $3.65 per day. These thresholds reflect the minimum income required to meet essential needs in low- and middle-income countries. Additionally, the World Bank emphasizes the importance of addressing inequality, vulnerability, and exclusion to achieve sustainable poverty reduction, recognizing that poverty is not only about income but also about access to resources, rights, and a dignified life.
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What You'll Learn
- Monetary Poverty Line: Daily income below $1.90 PPP (purchasing power parity) defines extreme poverty
- Multidimensional Poverty: Includes health, education, and living standards, not just income
- Vulnerability to Poverty: Risk of falling into poverty due to shocks or crises
- Shared Prosperity: Focus on income growth of the bottom 40% of populations
- Poverty Dynamics: Examines how poverty changes over time and across generations

Monetary Poverty Line: Daily income below $1.90 PPP (purchasing power parity) defines extreme poverty
The World Bank defines poverty using a multidimensional approach, but one of the most widely recognized metrics is the Monetary Poverty Line, which categorizes individuals living on less than $1.90 per day (in purchasing power parity, or PPP terms) as living in extreme poverty. This threshold is not arbitrary; it is carefully calculated to reflect the minimum income required to meet basic needs such as food, shelter, and clothing in the world’s poorest countries. PPP is used to adjust for differences in the cost of living across countries, ensuring that the poverty line is comparable globally. For instance, $1.90 in PPP terms accounts for the fact that the same amount of money can buy more goods and services in a low-income country than in a high-income country.
The $1.90 PPP per day threshold is a stark indicator of deprivation, representing a level of income that leaves individuals and families unable to secure even the most essential necessities for survival. It highlights the severe constraints faced by those living in extreme poverty, who often lack access to adequate nutrition, healthcare, education, and safe living conditions. This line is not just a statistical measure but a reflection of the harsh realities faced by over 700 million people worldwide, as of recent estimates. The World Bank uses this metric to track progress toward its goal of ending extreme poverty by 2030, as part of the United Nations Sustainable Development Goals.
While the $1.90 PPP per day line is the most commonly cited, it is important to note that the World Bank also uses higher poverty lines to reflect different contexts. For example, in lower-middle-income countries, the poverty line is set at $3.65 PPP per day, and in upper-middle-income countries, it is $6.85 PPP per day. However, the $1.90 line remains the global standard for identifying extreme poverty, as it captures the most severe forms of deprivation. This metric is particularly useful for policymakers and development organizations to target resources and interventions where they are most needed.
The Monetary Poverty Line is a critical tool for measuring and understanding poverty, but it is not without limitations. It focuses solely on income and consumption, overlooking other dimensions of poverty such as access to education, healthcare, clean water, and sanitation. The World Bank acknowledges these limitations and complements the monetary measure with other indicators, such as the Multidimensional Poverty Index (MPI), to provide a more comprehensive view of poverty. However, the $1.90 PPP per day threshold remains a powerful and widely used benchmark for identifying and addressing extreme poverty globally.
In conclusion, the Monetary Poverty Line of $1.90 PPP per day is a central component of the World Bank’s definition of poverty, specifically targeting extreme deprivation. It serves as a global standard for measuring and monitoring poverty, guiding efforts to alleviate the most severe forms of economic hardship. While it is not a complete measure of poverty, it provides a clear and actionable threshold for identifying those most in need. By focusing on this metric, the World Bank and its partners can work toward the ambitious goal of eradicating extreme poverty, ensuring that no one is left behind in the pursuit of global development.
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Multidimensional Poverty: Includes health, education, and living standards, not just income
The World Bank defines poverty as a multifaceted condition that goes beyond mere income deprivation. While income poverty, typically measured by a monetary threshold, is a critical aspect, the World Bank recognizes that poverty is a complex and multidimensional phenomenon. Multidimensional poverty encompasses various deprivations that affect people's lives, including health, education, and living standards. This broader perspective highlights that individuals and communities can suffer from poverty even if their income is above the poverty line, as they may still lack access to essential services and opportunities.
In the context of multidimensional poverty, health plays a pivotal role. Poor health not only reduces a person's quality of life but also limits their ability to work, learn, and participate in society. The World Bank emphasizes that access to healthcare, nutrition, and sanitation are fundamental components of overcoming poverty. For instance, children who suffer from malnutrition or lack access to basic healthcare are more likely to perform poorly in school and have reduced productivity in adulthood. Addressing health-related deprivations is therefore essential for breaking the cycle of poverty.
Education is another critical dimension of poverty. Lack of access to quality education perpetuates inequality and limits economic mobility. The World Bank underscores that education empowers individuals with the skills and knowledge needed to secure better livelihoods and contribute to societal development. Deprivations in education, such as low literacy rates or inadequate schooling, are significant indicators of multidimensional poverty. Investing in education, particularly for girls and marginalized groups, is a proven strategy to reduce poverty and foster inclusive growth.
Living standards also form a key component of multidimensional poverty. This includes access to basic necessities like clean water, sanitation, electricity, and adequate housing. Poor living conditions not only affect physical health but also dignity and social inclusion. The World Bank highlights that improving living standards requires targeted interventions in infrastructure, social protection, and environmental sustainability. For example, access to clean water reduces the burden of waterborne diseases, while reliable electricity enables economic activities and enhances quality of life.
By adopting a multidimensional approach, the World Bank aims to address the interconnected deprivations that constitute poverty. This perspective shifts the focus from income alone to a more holistic understanding of human well-being. Policies and programs designed to tackle multidimensional poverty must therefore be integrated and inclusive, addressing health, education, and living standards simultaneously. Such an approach ensures that efforts to eradicate poverty are comprehensive and sustainable, leading to meaningful improvements in the lives of the most vulnerable populations.
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Vulnerability to Poverty: Risk of falling into poverty due to shocks or crises
The World Bank defines poverty as a multifaceted condition characterized by severe deprivation of basic human needs, including food, clean water, sanitation, education, and healthcare. Beyond income poverty, which is typically measured as living on less than $2.15 per day (as of 2023), the World Bank emphasizes the importance of understanding vulnerability to poverty. Vulnerability to poverty refers to the risk of falling into poverty due to shocks or crises, even if an individual or household is currently above the poverty line. This concept highlights the precariousness of economic well-being and the need for resilience-building measures.
Vulnerability to poverty is driven by a combination of factors, including limited access to resources, lack of social safety nets, and exposure to economic, environmental, or health-related shocks. For instance, a sudden job loss, a natural disaster, or a medical emergency can push households into poverty, especially if they lack savings, insurance, or support systems. The World Bank underscores that vulnerability is not just about current income levels but also about the inability to cope with adverse events. Households with low resilience—those unable to absorb or recover from shocks—are particularly at risk. This includes informal workers, smallholder farmers, and communities in geographically vulnerable areas.
Shocks and crises that exacerbate vulnerability to poverty can be categorized into economic, environmental, and health-related events. Economic shocks, such as recessions, inflation, or fluctuations in commodity prices, can reduce incomes and increase unemployment. Environmental shocks, including droughts, floods, and other climate-related disasters, disproportionately affect livelihoods in agriculture-dependent regions. Health crises, such as pandemics, not only cause direct health impacts but also disrupt economies, reduce incomes, and strain healthcare systems. The COVID-19 pandemic, for example, pushed millions into poverty globally, illustrating the profound impact of health shocks on vulnerability.
The World Bank emphasizes the importance of addressing vulnerability through policies that enhance resilience and provide social protection. This includes investments in education, healthcare, and infrastructure to reduce exposure to risks. Social safety nets, such as cash transfers, food assistance, and unemployment benefits, play a critical role in mitigating the impact of shocks. Additionally, promoting financial inclusion, such as access to savings accounts and microinsurance, can help households manage risks more effectively. Building resilience also requires addressing structural inequalities, such as gender disparities and lack of access to land and credit, which exacerbate vulnerability.
Ultimately, reducing vulnerability to poverty requires a proactive and comprehensive approach that goes beyond addressing immediate needs. The World Bank advocates for policies that not only respond to crises but also prevent them by strengthening institutions, improving governance, and fostering sustainable development. By focusing on vulnerability, the World Bank aims to ensure that progress in poverty reduction is durable and that households are better equipped to withstand future shocks. This approach is essential for achieving long-term poverty alleviation and building a more inclusive and resilient global economy.
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Shared Prosperity: Focus on income growth of the bottom 40% of populations
The World Bank defines poverty as a multifaceted condition characterized by severe deprivation of basic human needs, including food, safe drinking water, sanitation facilities, health, shelter, education, and information. It is not solely measured by income but also encompasses access to essential services and opportunities. However, income remains a critical indicator, and the World Bank often uses the international poverty line, set at $2.15 per day (in 2017 PPP terms), to quantify extreme poverty. Building on this foundation, the concept of Shared Prosperity emerges as a complementary goal to poverty reduction, focusing specifically on income growth of the bottom 40% of populations in every country. This approach ensures that economic growth is inclusive and benefits the most vulnerable segments of society.
Shared Prosperity is rooted in the idea that sustainable development requires not just lifting people out of extreme poverty but also fostering equitable economic progress. By targeting the bottom 40%, the World Bank aims to address income inequality and create a more balanced distribution of wealth. This focus is particularly important because the bottom 40% often face systemic barriers to economic participation, such as limited access to education, healthcare, financial services, and job opportunities. Promoting income growth for this group involves implementing policies that enhance productivity, create decent jobs, and improve access to resources and markets. For instance, investments in rural infrastructure, skills training, and small-scale enterprises can empower low-income households to increase their earnings and build resilience against economic shocks.
A key aspect of Shared Prosperity is the emphasis on inclusive growth, which ensures that the benefits of economic development reach those who need it most. This requires a dual approach: first, removing the structural constraints that prevent the bottom 40% from fully participating in the economy, and second, fostering an environment where they can thrive. Governments and development partners play a crucial role in this process by designing and implementing targeted interventions. For example, social protection programs, such as conditional cash transfers and public works schemes, can provide immediate relief while also enabling long-term income generation. Additionally, policies that promote gender equality, such as improving access to education and childcare for women, can significantly enhance income growth for marginalized groups.
Measuring progress toward Shared Prosperity involves tracking the income growth rate of the bottom 40% relative to the national average. The World Bank uses the Boosted Shared Prosperity Premium (BSPP) as a key indicator, which measures the difference between the income growth rate of the bottom 40% and the overall population. A positive BSPP indicates that the bottom 40% is experiencing faster income growth, thereby reducing inequality. Achieving this requires data-driven decision-making, as well as collaboration between governments, the private sector, and civil society. For instance, public-private partnerships can leverage resources and expertise to create scalable solutions, such as affordable housing, renewable energy projects, and digital connectivity, which directly benefit low-income communities.
Ultimately, Shared Prosperity is not just an economic goal but a moral imperative. By focusing on the income growth of the bottom 40%, the World Bank’s approach to poverty reduction becomes more holistic and sustainable. It recognizes that true development cannot be achieved if large segments of the population are left behind. This perspective aligns with the broader Sustainable Development Goals (SDGs), particularly SDG 1 (No Poverty) and SDG 10 (Reduced Inequalities). To realize Shared Prosperity, countries must adopt a multi-pronged strategy that combines economic policies, social investments, and institutional reforms. This includes strengthening governance, combating corruption, and ensuring that growth is environmentally sustainable. By prioritizing the bottom 40%, societies can build a more equitable and resilient future where everyone has the opportunity to prosper.
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Poverty Dynamics: Examines how poverty changes over time and across generations
The World Bank defines poverty as a multifaceted condition characterized by severe deprivation of basic human needs, including food, clean water, sanitation, health, shelter, education, and information. It is not solely measured by income but also encompasses access to essential services and opportunities. Poverty dynamics, therefore, involves examining how these deprivations evolve over time and across generations, shedding light on the persistent and transient nature of poverty. Understanding these dynamics is crucial for designing effective policies and interventions that address the root causes of poverty and promote sustainable development.
One key aspect of poverty dynamics is the distinction between chronic and transient poverty. Chronic poverty refers to long-term, persistent deprivation, often experienced by individuals or communities trapped in cycles of poverty due to structural factors such as lack of access to education, healthcare, and economic opportunities. Transient poverty, on the other hand, is short-term and can result from shocks like natural disasters, economic crises, or illness. Analyzing these distinctions helps policymakers tailor interventions—for instance, social protection programs for chronic poverty and emergency relief for transient poverty. Over time, the interplay between these two forms of poverty shapes the overall poverty landscape, influencing how individuals and communities move in and out of poverty.
Intergenerational poverty is another critical dimension of poverty dynamics. It occurs when poverty is passed from one generation to the next, often due to limited access to education, inherited social capital, and systemic inequalities. Children born into poor households are more likely to remain poor as adults, perpetuating a cycle that hinders social mobility. The World Bank emphasizes the importance of breaking this cycle through investments in education, healthcare, and economic opportunities for marginalized groups. By examining how poverty persists across generations, policymakers can identify targeted strategies to disrupt intergenerational transmission and foster upward mobility.
Geographic and spatial dimensions also play a significant role in poverty dynamics. Poverty rates often vary widely across regions within a country, influenced by factors such as infrastructure, climate, and economic opportunities. Rural areas, for example, frequently experience higher poverty rates due to limited access to markets, education, and healthcare. Urban poverty, while different in nature, is equally pressing, with issues like overcrowding, informal settlements, and lack of basic services. Understanding these spatial disparities is essential for crafting region-specific policies that address the unique challenges faced by different populations.
Finally, external shocks and long-term trends significantly impact poverty dynamics. Economic downturns, climate change, conflicts, and pandemics can exacerbate poverty, pushing vulnerable populations further into deprivation. Conversely, economic growth, technological advancements, and improved governance can reduce poverty, but their benefits are not always equitably distributed. The World Bank highlights the need for resilient systems that can mitigate the impact of shocks and ensure that progress is inclusive. By studying how these factors influence poverty over time, policymakers can build more adaptive and responsive frameworks to address evolving challenges.
In conclusion, poverty dynamics is a complex and multifaceted field that examines how poverty changes over time and across generations, informed by the World Bank’s comprehensive definition of poverty. By analyzing chronic and transient poverty, intergenerational transmission, spatial disparities, and the impact of external factors, policymakers can develop nuanced and effective strategies to combat poverty. This approach not only addresses immediate needs but also fosters long-term solutions that promote sustainable development and social equity.
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Frequently asked questions
The World Bank defines poverty as a pronounced deprivation in well-being, encompassing not only low income but also limited access to education, health, and other essential services.
The World Bank’s international poverty line is set at $2.15 per person per day (in 2017 PPP terms). It is determined based on the national poverty lines of the poorest countries and adjusted for purchasing power parity (PPP).
No, the World Bank uses a multidimensional approach to poverty, considering factors like access to education, healthcare, clean water, sanitation, and other basic needs, in addition to income.
The World Bank periodically updates its poverty line to reflect changes in the cost of living and new data. The most recent update was in 2022, when the line was raised from $1.90 to $2.15 per day.
Extreme poverty refers to living below the international poverty line of $2.15 per day, while general poverty includes broader measures of deprivation, such as those captured in the Multidimensional Poverty Index (MPI).











































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