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Statistical Data

Notes  definitions  sources


General notes on the data
 
The data provided in the country tables are accompanied by definitions, sources and explanations of symbols. The tables are derived from many sources and thus will inevitably cover a wide range of data quality. Official government data received by the responsible United Nations agency have been used whenever possible. In the many cases where there are no reliable official figures, estimates made by the responsible United Nations agency have been used. Where such internationally standardized estimates do not exist, the tables draw on other sources, particularly data received from the appropriate UNICEF field office. Where possible, only comprehensive or representative national data have been used.

Data quality is likely to be adversely affected for countries that have recently suffered from man-made or natural disasters. This is particularly so where basic country infrastructure has been fragmented or major population movements have occurred.

Data for life expectancy, total fertility rates, crude birth rate and death rates, etc. are part of the regular work on estimates and projections undertaken by the United Nations Population Division. These and other internationally produced estimates are revised periodically, which explains why some of the data will differ from those found in earlier UNICEF publications.


Definitions
 

GNP:
Gross national product, expressed in current United States dollars.

Total fertility rate:
The number of children that would be born per woman if she were to live to the end of her child-bearing years and bear children at each age in accordance with prevailing agespecific fertility rates.

Contraceptive Prevalence Rate:
Percentage of married women aged 15-49 years currently using contraception.

Infant mortality rate:
Probability of dying between birth and exactly one year of age expressed per 1,000 live births.

Under-five mortality rate:
Probability of dying between birth and exactly five years of age expressed per 1,000 live births.

Maternal mortality rate:
Annual number of deaths of women from pregnancy-related causes per 100,000 live births.

DPT3:
Three doses of vaccine against diphtheria, pertussis (whooping cough) and tetanus.

TT2+:
Two or more doses of vaccine against tetanus given to a woman before or during pregnancy to prevent a child contracting neonatal tetanus.

Oral Rehydration Therapy:

ORS/RHF: Percentage of all cases of diarrhea in children under five years of age treated with oral rehydration salts and/or recommended home fluids

Increased fluids, and continued feeding:
Percentage of all cases of diarrhea in children under five years of age where the child received increased amounts of liquids, and continued to receive food.

Underweight:
Moderate and severe -- below minus two standard deviations from median weight for age of reference population;
Severe -- below minus three standard deviations from median weight for age of reference population.

Wasting, moderate and severe:
Below minus two standard deviations from median weight for height of reference population.

Stunting, moderate and severe:
Below minus two standard deviations from median height for age of reference population.

Exclusive breastfeeding:
The proportion of children aged <4 months who are not receiving anything apart from breastmilk (except for medicines and vitamins)

Complementary breastfeeding:
The proportion of children aged 6-9 months who are receiving breastmilk and complementary foods

Continued breastfeeding (20-23 months):
The proportion of children aged 20-23 months who are still receiving breastmilk.

Baby-friendly hospital:
A hospital is designated "baby-friendly" if they adhere to the "ten steps to successful breastfeeding" promoted by WHO and UNICEF.

Primary enrolment ratios:
The gross enrolment ratio is the total number of children enrolled in primary school, whether or not they belong in the relevant age group for that level, expressed as a percentage of the total number of children in the primary school age group.
The net enrolment ratio is the total number of children enrolled in a primary school who belong in the primary school age group, expressed as a percentage of the total number in that age group.

Adult literacy rate:
Percentage of persons aged 15 and over who can read and write.

Children reaching grade 5 of primary school:
Percentage of children entering the first grade of primary school who eventually reach grade 5.

ND:
In statistical tables, indicates that data are not available.

 


Main sources
 

Total (and under-18) population
United Nations Population Division.

GNP per capita
World Bank.

Total Fertility Rate
United Nations Population Division.

Infant and under-five mortality
UNICEF, United Nations Population Division, United Nations Statistical Division, World Bank and US Bureau of the Census.

Maternal mortality
World Health Organization (WHO) and UNICEF.

School enrolment and reaching grade 5
United Nations Educational, Scientific and Cultural Organization (UNESCO).

Adult literacy
United Nations Educational, Scientific and Cultural Organization (UNESCO).

Access to safe drinking water and adequate sanitation facilities
UNICEF, World Health Organization (WHO) and Multiple Indicator Cluster Surveys (MICS).

Underweight, wasting and stunting
Demographic and Health Surveys, Multiple Indicator Cluster Surveys (MICS) and World Health Organization (WHO).

Breastfeeding
Demographic and Health Surveys, Multiple Indicator Cluster Surveys (MICS) and World Health Organization (WHO).

Baby-friendly hospitals
UNICEF

Salt iodization
UNICEF and Multiple Indicator Cluster Surveys (MICS).

Immunization
World Health Organization (WHO) and UNICEF.

ORT use
Multiple Indicator Cluster Surveys (MICS), Demographic and Health Surveys and World Health Organization (WHO).

Explanation of symbols

- Indicates data are not available.
x Indicates data that refer to years or periods other than those specified in the column heading, differ from the standard definition, or refer to only part of a country.
* Data refer to the most recent year available during the period specified in the column heading.

 



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