In Sub-Saharan Africa and South Asia, there are more than twice as many students per teacher than in Europe and North America. The pupil-teacher ratio is different but related to class size, and is often used to compare the quality of schooling across countries.
The UN estimates that 2.4 billion people still lack access to improved sanitation facilities, nearly 1 billion of which practice open defecation. Good sanitation is a foundation for development - conditions such as diarrhea are associated with poor sanitation, and left untreated, can lead to malnutrition and stunting in children. Read more about World Toilet Day
Note: Only ETS (Emissions Trading Systems) or carbon tax are considered on this graph. Emissions are given as a share of global GHG emissions in 2012. Annual changes in global, regional, national, and subnational GHG emissions are not shown in the graph.
In the last 10 years, . In 2016, about 40 national jurisdictions and more than 20 cities, states, and regions, including seven out of the world’s 10 largest economies, are putting a price on carbon. . Read more in State and Trends of Carbon Pricing 2016.
By 2030, two thirds of the world will live in cities. The world's 12 largest city areas are each home to over 15 million people, and over the last 25 years, cities such as Delhi, Shanghai and Beijing have tripled in size.
Doing Business 2017 finds that 137 economies worldwide implemented 283 business regulatory reforms last year. This represents an increase of more than 20% over the previous year. Areas of reform include starting a business, paying taxes, getting credit and registering property. Notably, 54 IDA countries implemented 113 reforms.
60% of economies do not have laws mandating gender nondiscrimination in hiring and equal remuneration. Such laws are more common in OECD high-income economies, followed by economies in Europe and Central Asia. Gender equality can make institutions more representative, improve social cohesion and increase productivity.
Most of the world's extreme poor live in Sub-Saharan Africa and South Asia. While over 1 in 10 people live in extreme poverty globally, in Sub-Saharan Africa, that figure is 4 in 10, representing 389 million people - that's more poor people than all other regions combined. Read more in the new report on Poverty and Shared Prosperity
Over half the world lives in cities, and those cities are responsible for over 80% of global GDP. However, the high density of people, jobs, and assets which make cities so successful, also makes them vulnerable to the wide range of natural and manmade shocks and stresses increasingly affecting them today. Read more about how the World Bank is investing in urban reslience.
Half the world's extremely poor are children. New analysis from the World Bank and UNICEF finds that almost 385 million children were living in extreme poverty in 2013. 8 out of 10 of those children lived in just 20 countries. Read more in "Ending Extreme Poverty: A Focus on Children
Half the world's extremely poor are children. New analysis from the World Bank and UNICEF finds that almost 385 million children were living in extreme poverty in 2013. 9 out of 10 of those children lived in just 20 countries. Read more in "Ending Extreme Poverty: A Focus on Children"