The map, issued by the Center for Disease Control (CDC), shows the percentages of substantially overweight, or obese, low-income children by county and in territories and tribal organizations where Native Americans live. The problem extends to both urban and rural populations.

Overall, 1 in 7 low-income, preschool-aged children is obese. Experts have been alarmed by the rapid rise in childhood obesity during the past 20 years, which is attributed to changes in diet toward more processed foods, less physical activity, and low-income families' lack of access to highly nutritious food. The impact of obesity on life expectancy, increased incidence of diabetes, heart disease and other ailments is reason for its recent prevalence as a public health issue.

Public attention to decreasing childhood obesity includes efforts to enhance the nutritional balance in school lunches, nutritional education for children and adults, pressuring food corporations to improve labeling and ingredients, and campaigns to increase children's physical activity by reducing time in front of television and computers and restoring daily physical education classes or recess.

To view a pdf version of the map, click here.

The 2009 United Nations Arab Human Development Report describes a "youth bulge" as a high proportion of 15-29 year olds relative to the adult population. Young people are the fastest growing segment in Arab countries, with youth under 25 years of age comprising about 60% of the current population. The median age of the total Arab population is 22 years, compared with the global average of 28.

The youth bulge is viewed in the research literature both negatively and positively. According to the 2009 report, the region will require 51 million new jobs by 2020 to employ youth entering the labor market. The challenge will affect women more than men, whose current unemployment rates are 31.2% compared with 25% for men. Female youth employment was as high as 59% in Jordan with male youth unemployment at 35%. Unemployment, alongside increasing urbanization, are often tied to rising extremism, causing concern for the region.

The youth bulge, however, can also be viewed as an opportunity, a chance to empower youth and harness their energy to help build neighborhoods and countries. With sufficient forethought and investment, a youthful labor force is an opportunity for economic growth and stability. Over the next 30 years, the hazards and opportunities presented by the youth bulge in the Middle East and North Africa (MENA) will be important tests for governments in the region and for the global development community.

[Download pdf file of chart here].

The chart shows the proportion of male and female child laborers between the ages of 5 and 14 who are engaged in domestic work for third-party households. As the note on the chart indicates, only those countries in the data sample of 16 nations where domestic work could be distinguished from other kinds of work are featured in this chart. The sixteen sample countries included in the chart were based on nationally representative household surveys conducted between 1999 and 2007. The data comes from a study IPEC Statistical Information and Monitoring Programme on Child Labour (SIMPOC). (Geneva, ILO, 2009). The sample countries and the dates of data in the survey were Colombia (2001), Ecuador (2006), El Salvador (2001), Guatemala (2006), Burkina Faso (2006), Malawi (2002), Mali (2005), Senegal (2004), Cambodia (2001), Mongolia (2002), Philippines (2001), Sri Lanka (1999), Azerbaijan (2005), Kyrgyzstan (2007), Turkey (2006) and Ukraine (1999).

Domestic work includes housekeeping, such as: cleaning, cooking, washing, fetching supplies, and child care. Domestic work for an employer in a third-party household is considered by experts to be among the worst forms of child labor. Children, and especially girls, are often isolated in the household and invisible to others. Reports of abuse are frequent, but much abuse remains out of the public eye. Such children are often given up to other families because of their parents' inability to care for them. Children's earnings are sometimes given over to the person who contracted them through an agent or relative.

Data from the surveys show that while the vast majority of child domestic workers are girls, boys are also subjected to sexual abuse. The primary source text from Ecuador is typical of such stories gleaned by social workers and NGO's from work with children who escape or are removed from such situations.

The International Labour Organization (ILO) established the International Programme on the Elimination of Child Labour (IPEC) in 1992 with the goal of eliminating child labor. For statistical purposes, a child is considered to be involved in child labour under the following classification: (a) children 5-11 years of age who did at least one hour of economic activity or at least 28 hours of domestic work during the week preceding the survey, and (b) children 12-14 years of age who did at least 14 hours of economic activity or at least 28 hours domestic work during the week preceding the survey. Whether or not particular forms of "work" can be called "child labor" depends on the child's age, the type and hours of work performed, the conditions under which it is performed and the objectives pursued by individual countries.

IPEC classifies acceptable and unacceptable types of child labor. Acceptable work includes children helping parents around the home, earning pocket money after school and on holidays, and even helping in a family business. Such activity is viewed as beneficial to children's development and socialization. Unacceptable child labor, in contrast, is harmful to physical and mental development, to children's dignity, and "deprives children of their childhood." Child labor should be eliminated if it is mentally, physically, socially or morally dangerous and harmful to children; if it interferes with their schooling by preventing them from attending school, obligates them to leave school prematurely, or requires excessively long and heavy work as to compromise children's ability to attend school or learn effectively.

The chart shows the employment sectors for male and female child laborers from age cohorts 5-14 and 15-17. The information is drawn from national child labor surveys in sixteen sample countries. It is based on nationally representative household surveys conducted between 1999 and 2007. The data comes from a study IPEC Statistical Information and Monitoring Programme on Child Labour (SIMPOC). (Geneva, ILO, 2009). The sample countries and the dates of data in the survey were Colombia (2001), Ecuador (2006), El Salvador (2001), Guatemala (2006), Burkina Faso (2006), Malawi (2002), Mali (2005), Senegal (2004), Cambodia (2001), Mongolia (2002), Philippines (2001), Sri Lanka (1999), Azerbaijan (2005), Kyrgyzstan (2007), Turkey (2006) and Ukraine (1999).

The statistics provide a more detailed picture of global child labor than what had been available previously. The chart shows that the majority of children were employed in agriculture, a significant portion employed in services, which can include everything from shoe-shining and windshield washing to street vending and hauling. A minority of child laborers are employed in shops, craft production and manufacture, which can include construction, mining, quarry work and the like, all hazardous jobs for children.

The International Labour Organization (ILO) established the International Programme on the Elimination of Child Labour (IPEC) in 1992 with the goal of progressively eliminating child labor, through research, building countries' capacity to deal with the problem, and promoting a worldwide movement to combat child labor. For statistical purposes, a child is considered to be involved in child labor under the following classification: (a) children 5-11 years of age who did at least one hour of economic activity or at least 28 hours of domestic work during the week preceding the survey, and (b) children 12-14 years of age who did at least 14 hours of economic activity or at least 28 hours domestic work during the week preceding the survey. Whether or not particular forms of "work" can be called "child labor" depends on the child's age, the type and hours of work performed, the conditions under which it is performed and the objectives pursued by individual countries.

IPEC classifies acceptable and unacceptable types of child labor. Acceptable work includes children helping parents around the home, earning pocket money after school and on holidays, and even helping in a family business. Such activity is viewed as beneficial to children's development and socialization. Unacceptable child labor, in contrast, is harmful to physical and mental development, to children's dignity, and "deprives children of their childhood." Child labor should be eliminated if it is mentally, physically, socially or morally dangerous and harmful to children; if it interferes with their schooling by preventing them from attending school, obligates them to leave school prematurely, or requires excessively long and heavy work as to compromise children's ability to attend school or learn effectively. The most extreme forms of unacceptable child labor include enslavement or bonded labor, separation from their families, exposure to hazards and illness, or being forced onto the streets of large cities to sleep and work for a living.

The chart shows summative data for several world regions and types of countries on the subject of child labor. The figures refer to the percentage of children 5-14 years of age involved in child labor, meaning as a percentage of the total population of children in a country or region. The complete chart, showing all reporting countries can be accessed at http://www.childinfo.org/labour_countrydata.php. For statistical purposes, a child is considered to be involved in child labor under the following classification: (a) children 5-11 years of age who did at least one hour of economic activity or at least 28 hours of domestic work during the week preceding the survey, and (b) children 12-14 years of age who did at least 14 hours of economic activity or at least 28 hours domestic work during the week preceding the survey.

The International Labour Organization (ILO) established the International Programme on the Elimination of Child Labour (IPEC) in 1992 with the goal of progressively eliminating child labor, through research, building countries' capacity to deal with the problem, and promoting a worldwide movement to combat child labor. Whether or not particular forms of "work" can be called "child labor" depends on the child's age, the type and hours of work performed, the conditions under which it is performed and the objectives pursued by individual countries.

IPEC classifies acceptable and unacceptable types of child labor. Acceptable work includes children helping parents around the home, earning pocket money after school and on holidays, and even helping in a family business. Such activity is viewed as beneficial to children's development and socialization. Unacceptable child labor, in contrast, is harmful to physical and mental development, to children's dignity, and "deprives children of their childhood." Child labor should be eliminated if it is mentally, physically, socially or morally dangerous and harmful to children; if it interferes with their schooling by preventing them from attending school, obligates them to leave school prematurely, or requires excessively long and heavy work as to compromise children's ability to attend school or learn effectively. The most extreme forms of unacceptable child labor include enslavement or bonded labor, separation from their families, exposure to hazards and illness, or being forced onto the streets of large cities to sleep and work for a living.

The definition of an orphan for statistical purposes is a child under 18 years old who has lost one or both parents. A single orphan is a child who has lost one parent, a double orphan is a child who lost both parents. A maternal orphan is a child whose mother died, while a paternal orphan has lost the father. Crises such as disease or famine that affect children increase the rate of growth of orphans in the population. For statistical purposes, children are no longer considered orphans after they reach 18 years of age. Therefore, the number of orphans in a population group increases if the number of children losing their parents exceeds the number of orphans turning 18, causing the percentage of orphans in that population to rise also.

The data in the two charts were compiled and published by UNICEF, the United Nations Children’s Fund, drawn from numerous organizations concerned with the global AIDS/HIV epidemic. As the bar graph shows, while the number of orphans in Asia has declined during the period from 1990 to 2010 (the latter based on projections), and has remained fairly stable in Latin America and the Caribbean, there has been a steady increase in the number of orphans in Sub-Saharan Africa. Data is not given for the number of children in Asia who have been orphaned by HIV and other causes, but that figure is likely significant.

Figures for Africa show that in the benchmark years of 1990, 1995, 2000, and 2005, the percentage of children orphaned in sub-Saharan African countries as a result of AIDS rose sharply from 1% to 7% to 17% to 25%, and is projected to reach 30% of all orphans by 2010. Among them are over 10 million children who have lost both parents. AIDS is the leading cause of death among adults ages 15-59, and it has produced 12 million orphans in the region. The rates of HIV deaths are not uniform across Sub-Saharan Africa, but are much higher in southern Africa, where as many as 15% of all children are orphans. Behind these figures is a tremendous toll of human suffering. Older children may act as caregivers for their parents or siblings who are ill, or grandparents may have to raise their grandchildren. Poor nutrition, inability to attend school, inability to concentrate, emotional trauma and depression are among the most serious effects, and children whose families have been touched by AIDS may also be stigmatized by others, further worsening these effects.

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The Millennium Development Goals (MDGs) are eight goals related to poverty, education, gender equality, health, environmental sustainability and development set in the year 2000 at the UN Millennium Summit, and adopted by 189 nations. The eight MDGs are associated with 21 quantifiable targets, tracked by 60 statistical indicators in annual reports issued by the United Nations Development Programme (UNDP). The goals target attainment in the year 2015. Country-by-country data is also available.

This chart tracks infant mortality according to the rate of infant (under five years old) deaths per 1000 live births in most world regions, except Northern America. Aggregate figures for developed and developing regions highlight the stark disparity in infant mortality rates. More than 12 times as many children die young in developing regions as in developed regions. In 1990, child mortality was 9 times higher than in 2007. While the total number of young children who died early in life decreased from 12.6 million in 1990 to about 9 million today, some regions show little progress during that period. In Sub-Saharan Africa, for example, nearly 1 in 7 children dies before the age of five, amounting to half of all such deaths worldwide. According to experts in public health, most of these deaths are from preventable causes.

Significant gains have been achieved worldwide by increasing immunization for childhood diseases and use of vitamins, treating mothers to prevent transmission of the HIV virus to their infants, encouraging mothers to breastfeed, and providing insecticidal bednets to prevent malaria. Other measures include improving access to clean water and improving sanitation, especially in rural areas. Improved pre-natal and birthing care, and education for mothers are other important factors that can help support further declines in infant mortality.

The Millennium Development Goals (MDGs) are eight goals related to poverty, education, gender equality, health, environmental sustainability and development set in the year 2000 at the UN Millennium Summit, and adopted by 189 nations. The eight MDGs are associated with 21 quantifiable targets, tracked by 60 statistical indicators in annual reports issued by the United Nations Development Programme (UNDP). The goals target attainment in the year 2015. Country-by-country data is also available.

This chart shows a key indicator for malnutrition—underweight children from birth to five years. In developing regions, the proportion of children under five years old who are undernourished declined from 33 per cent in 1990 to 26 per cent in 2006, but 140 million children in developing countries were recorded as underweight in 2006. According to public health experts, undernourishment among young children is a sound indicator of inadequate nutrition in the population as a whole. As the 2009 MDG report states, "Adequate nutrition is vital for building children's immune systems and for their motor and cognitive development…The consequences can be fatal: more than one third of child deaths worldwide are attributable to undernutrition." (p. 12) Eastern Asia, and China in particular, reduced the percentage of underweight children between 1990 and 2006 by more than half. In Southern Asia, despite progress since 1990, almost half of young children are underweight. In Sub-saharan Africa, there has been insufficient progress, where more than a quarter of the region's children are underweight. Urban children are half as likely to be underweight as rural children in the same country. In Eastern Asia, where improvement has occurred, inadequate nutrition is still almost five times as high in rural areas. Notable in these statistics is the progress recorded for Latin America and the Caribbean, Northern Africa, and parts of Asia. There has been no significant progress in Western Asia, a likely result of the large number of refugees and conflict.

Overall worldwide progress is already insufficient to achieve the MDG goal to eradicate extreme poverty and hunger by 2015. In developing regions between 1990 and 2007, a 5 percentage point decline in the proportion of underweight children under five years of age was achieved, leaving over a quarter of all children in these regions underfed. Progress in reducing hunger is being slowed or reversed by rising food prices due to changing diets, economic growth, a population increases, urbanization, poor agricultural policies, and use of food crops for biofuel.

This graph shows us the average year of menarche, a female's first menstrual cycle (often considered the beginning of puberty), from 1860 to 1980 reported by adult female patients at maternity clinics in Norway. It also includes data from Oslo school girls that follow the same trend downward in age. The downward curve flattens around 1960 between the ages of 13 and 14. A graph like this helps to counter a single interpretation of causes for the rise in age of consent laws.

The graph displays the number of wills by gender made each month in the city and countryside of Bologna during 1348 that were copied into the city notarial registers, known as the Libri Memoriali. The graph shows that during the first half of the year there are more female than male testators, which is unusual for medieval Italy. In general, women's wills made up about 40% of all wills, but in Bologna men had the option to make a secret will which they could deposit in the Mendicant friaries and keep out of the public record of the Libri Memoriali. It appears that men chose this option more frequently during the first part of the year, before the epidemic took hold. In order to make a will in medieval Italy, one needed a notary to write up the testator's declared wishes in legal form. In July 1348, there were 185 notaries who redacted wills that appeared in the Libri Memoriali, compared to 85 in June and 89 in August. The majority of notaries working in July (125 out of 185) were writing up only one or two wills, but a smaller group of six notaries wrote up between 10 and 30 wills during that plague-filled month. The notaries went into the homes of most of the testators, the vast majority of whom declared themselves sick.

In Bologna, a member of the clergy, usually a parish priest, had to be present to confirm the identity of sick testators. For every will recorded in the Memoriali, there is at least one priest or friar present as witness. After the redaction they were also required to go with the testator and notary to the public registration of the will in the Libri Memoriali.