World Development Indicators
Variable List: P
A
B
C
D
E
F
G
H
I
L
M
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O
P
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T
U
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Last Updated on May 28, 1999
Definitions from World Development Indicators
CD-ROM
Persistence to grade 4, female (% of cohort)
Persistence to grade 4 (percentage of cohort reaching grade 4) is the proportion of children (female) enrolled in primary school in a given year who reach grade 4 three years later. The estimate is based on the reconstructed cohort method. For more inform
ation, see Tables: WDI 2.11.
Persistence to grade 4, male (% of cohort)
Persistence to grade 4 (percentage of cohort reaching grade 4) is the proportion of children (male) enrolled in primary school in a given year who reach grade 4 three years later. The estimate is based on the reconstructed cohort method. For more informat
ion, see Tables: WDI 2.11.
Persistence to grade 4, total (% of cohort)
Persistence to grade 4 (percentage of cohort reaching grade 4) is the proportion of children enrolled in primary school in a given year who reach grade 4 three years later. The estimate is based on the reconstructed cohort method. For more information, se
e Tables: WDI 2.11.
Personal computers (per 1,000 people)
Personal computers are of the estimated number of self-contained computers designed to be used by a single individual, per 1,000 people. For more information, see Tables: WDI 5.11.
Pesticide consumption (kg per hectare)
Pesticide consumption refers to use or sale to the agricultural sector of substances that reduce or eliminate unwanted plants or animals, especially insects. They include major groups of pesticides such as insecticides, mineral oils, herbicides, plant gro
wth regulators, bacteria and seed treatments, and other active ingredients. For more information, see Tables: WDI 3.2.
Pesticide consumption (metric tons)
Pesticide consumption refers to use or sale to the agricultural sector of substances that reduce or eliminate unwanted plants or animals, especially insects. They include major groups of pesticides such as insecticides, mineral oils, herbicides, plant gro
wth regulators, bacteria and seed treatments, and other active ingredients. For more information, see Tables: WDI 3.2.
Physicians (per 1,000 people)
Physicians are defined as graduates of any facility or school of medicine who are working in the country in any medical field (practice, teaching, research). For more information, see Tables: WDI 2.13. (Note: in WDI 1997, this indicator was shown as peopl
e per physician.)
Population aged 0-14, female
Female population between the ages 0 to 14. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are ge
nerally considered part of the population of the country of origin. For more information, see Tables: WDI 2.2.
Population aged 0-14, male
Male population between the ages 0 to 14. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are gene
rally considered part of the population of the country of origin. For more information, see Tables: WDI 2.2.
Population aged 0-14, total
Total population between the ages 0 to 14. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are gen
erally considered part of the population of the country of origin. For more information, see Tables: WDI 2.2.
Population aged 15-64, female
Female population between the ages 15 to 64 is the number of females who could potentially be economically active, excluding children. Population is based on the de facto definition of population, which counts all residents regardless of legal status or c
itizenship except for refugees not permanently settled in the country of asylum, who are generally considered part of the population of the country of origin. For more information, see Tables: WDI 2.2 and 2.3.
Population aged 15-64, male
Male population between the ages 15 to 64 is the number of males who could potentially be economically active, excluding children. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citiz
enship except for refugees not permanently settled in the country of asylum, who are generally considered part of the population of the country of origin. For more information, see Tables: WDI 2.2 and 2.3.
Population aged 15-64, total
Total population between the ages 15 to 64 is the number of people who could potentially be economically active, excluding children. Population is based on the de facto definition of population, which counts all residents regardless of legal status or cit
izenship except for refugees not permanently settled in the country of asylum, who are generally considered part of the population of the country of origin. For more information, see Tables: WDI 2.2 and 2.3.
Population aged 65+, female
Female population 65 years of age or older. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are ge
nerally considered part of the population of the country of origin. For more information, see Tables: WDI 2.1 and 2.2.
Population aged 65+, male
Male population 65 years of age or older. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are gene
rally considered part of the population of the country of origin. For more information, see Tables: WDI 2.1 and 2.2.
Population aged 65+, total
Total population 65 years of age or older. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are gen
erally considered part of the population of the country of origin. For more information, see Tables: WDI 2.1 and 2.2.
Population density (people per sq km)
Population density is midyear population divided by land area in square kilometers. Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. Refugees not permanently settled
in the country of asylum are generally considered to be part of the population of their country of origin. Land area is a country's total area, excluding area under inland water bodies. In most cases the definition of inland water bodies includes major ri
vers and lakes. For more information, see Tables: WDI 1.1 and 2.1.
Population density, rural (people per sq km)
Rural population density is the rural population divided by the arable land area. Rural population is the difference between total and urban populations. Arable land refers to land under temporary crops, temporary meadows for mowing or pasture, and land u
nder market and kitchen gardens. For more information, see Tables: WDI 3.1. (For information on total and urban populations, see Tables: WDI 2.1 and 3.10, respectively.)
Population growth (annual %)
Annual population growth rate. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship except for refugees not permanently settled in the country of asylum, who are generally consi
dered part of the population of the country of origin. For more information, see Tables: WDI 2.1.
Population, total
Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. Refugees not permanently settled in the country of asylum are generally considered to be part of the population of th
eir country of origin. See tables 1.1 and 2.1.
Portfolio investment, bonds (PPG + PNG) (NFL, current US$)
Portfolio bond investment consists of publicly guaranteed and nonguaranteed debt from bonds that are privately placed. Data are in current U.S. dollars. For more information, see Tables: WDI 6.8.
Portfolio investment, equity (DRS, current US$)
Portfolio investment flows are net and include non-debt-creating portfolio equity flows (the sum of country funds, depository receipts, and direct purchases of shares by foreign investors) and portfolio debt flows (bond issues purchased by foreign investo
rs). Data are in current U.S. dollars. For more information, see Tables: WDI 6.8.
Portfolio investment, excluding LCFAR (BoP, current US$)
Portfolio investment excluding liabilities constituting foreign authorities' reserves covers transactions in equity securities and debt securities. Data are in current U.S. dollars.
PPG debt service (% of central government current revenue)
Public and publicly guaranteed debt service (PPG) is the sum of principal repayments and interest actually paid on long-term obligations of public debtors and long-term private obligations guaranteed by a public entity. For more information, see Tables: W
DI 4.18.
PPP conversion factor (LCU per international $)
Purchasing power parity conversion factor is the number of units of a country's currency required to buy the same amounts of goods and services in the domestic market as $1 would buy in the United States. For more information, see Tables: WDI 5.6.
Primary education, pupils
Primary education pupils is the total number of pupils enrolled at primary level in public and private schools but may exclude certain specialized schools and training programs. For associated information on education levels and gender differences, see Ta
bles: WDI 2.12.
Primary education, pupils (% female)
Female pupils as the percentage of total pupils at primary level includes enrollments in public and private schools but may exclude certain specialized schools and training programs. For more information, see Tables: WDI 2.12.
Primary education, teachers
Primary education teachers includes full-time and part-time teachers. For associated information on education levels and gender differences, see Tables: WDI 2.12.
Primary education, teachers (% female)
Female teachers as the percentage of total primary education teachers includes full-time and part-time teachers. For more information, see Tables: WDI 2.12.
Private capital flows, net total (current US$, DRS)
Net private capital flows consist of private debt and nondebt flows. Private debt flows include commercial bank lending, bonds, and other private credits; nondebt private flows are foreign direct investment and portfolio equity investment. Data are in cur
rent U.S. dollars. For more information, see Tables: WDI 6.8.
Private consumption (annual % growth)
Annual growth of private consumption based on constant 1987 local currency. Aggregates are based on constant 1987 U.S. dollars. Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines,
and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of dwellings but includes imputed rent for owner-occupied dwellings. For more information, see Tables: WDI 4.8 and 4.9.
Private consumption (constant 1987 US$)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. Data are in constant 1987 U.S. dollars. For more information, see Tables: WDI 4.8 and 4.9.
Private consumption (constant LCU)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. Data are in constant local currency. For more information, see Tables: WDI 4.8 and 4.9.
Private consumption (current LCU)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. Data are in current local currency. For more information, see Tables: WDI 4.9.
Private consumption (current US$)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. Data are in current U.S. dollars. For more information, see Tables: WDI 4.9.
Private consumption per capita (constant 1987 US$)
Private consumption per capita is calculated using private consumption in constant 1987 prices and World Bank population estimates. Private consumption is the market value of all goods and services, including durable products (such as cars, washing machin
es, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of dwellings but includes imputed rent for owner-occupied dwellings. Data are in constant 1987 U.S. dollars. For more informati
on, see Tables: WDI 4.8 and 4.9.
Private consumption per capita growth (annual %)
Annual percentage growth rate of private consumption per capita which is calculated using private consumption in constant 1987 prices and World Bank population estimates. Private consumption is the market value of all goods and services, including durable
products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of dwellings but includes imputed rent for owner-occupied dwellings. For more informatio
n, see Tables: WDI 4.8 and 4.9.
Private consumption, (constant 1987 LCU)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. Data are in constant 1987 local currency. For more information, see Tables: WDI 4.8 and 4.9.
Private consumption, etc. (% of GDP)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical discrepancy in the use of resources. For more information, see Tables: WDI 4.8.
Private consumption, etc. (annual % growth)
Annual growth of private consumption based on constant 1987 local currency. Aggregates are based on constant 1987 U.S. dollars. Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines,
and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of dwellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical
discrepancy in the use of resources. For more information, see Tables: WDI 4.9.
Private consumption, etc. (constant 1987 LCU)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical discrepancy in the use of resources. Data are in constant 1987 local currency. For more information, see Tables: WDI 4.9.
Private consumption, etc. (constant 1987 US$)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical discrepancy in the use of resources. Data are in constant 1987 U.S. dollars. For more information, see Tables: WDI 4.9.
Private consumption, etc. (constant LCU)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical discrepancy in the use of resources. Data are in constant local currency. For more information, see Tables: WDI 4.9.
Private consumption, etc. (current LCU)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical discrepancy in the use of resources. Data are in current local currency. For more information, see Tables: WDI 4.9.
Private consumption, etc. (current US$)
Private consumption is the market value of all goods and services, including durable products (such as cars, washing machines, and home computers) purchased or received as income in kind by households and nonprofit institutions. It excludes purchases of d
wellings but includes imputed rent for owner-occupied dwellings. This estimate of private consumption includes any statistical discrepancy in the use of resources. Data are in current U.S. dollars. For more information, see Tables: WDI 4.9.
Private investment (% of GDFI)
Private investment covers gross outlays by the private sector (including private nonprofit agencies) on additions to its fixed domestic assets. Gross domestic fixed investment includes similar outlays by the public sector. No allowance is made for the dep
reciation of assets. For more information, see Tables: WDI 5.1.
Private nonguaranteed debt (% of external debt)
Private nonguaranteed external debt comprises long-term external obligations of private debtors that are not guaranteed for repayment by a public entity. Total external debt is debt owed to nonresidents repayable in foreign currency, goods, or services. T
otal external debt is the sum of public, publicly guaranteed, and private nonguaranteed long-term debt, use of IMF credit, and short-term debt. For more information, see Tables: WDI 5.1.
Private nonguaranteed debt (DOD, current US$)
Private nonguaranteed external debt comprises long-term external obligations of private debtors that are not guaranteed for repayment by a public entity. Data are in current U.S. dollars. For more information, see Tables: WDI 4.17.
Progression to secondary school (%)
Progression to secondary school (general) is the number of new entrants in the first grade of secondary school (general) divided by the number of children enrolled in the final grade of primary school in the previous year (according to the country's durat
ion of primary education). For more information, see Tables: WDI 2.11.
Progression to secondary school, female (%)
Progression to secondary school is the number of new entrants (female) in the first grade of secondary (general) school divided by the number of children enrolled in the final grade of primary school in the previous year (according to the country's durati
on of primary education). For more information, see Tables: WDI 2.11.
Progression to secondary school, male (%)
Progression to secondary school is the number of new entrants (male) in the first grade of secondary (general) school divided by the number of children enrolled in the final grade of primary school in the previous year (according to the country's duration
of primary education. For more information, see Tables: WDI 2.11.
Public and publicly guaranteed (PPG) debt (DOD, current US$)
Public and publicly guaranteed debt comprises long-term external obligations of public debtors, including the national government, political subdivisions (or an agency of either), and autonomous public bodies, and external obligations of private debtors t
hat are guaranteed for repayment by a public entity. Data are in current U.S. dollars. For more information, see Tables: WDI 4.17.
Public and publicly guaranteed debt service (TDS, current US$)
Public and publicly guaranteed debt service (PPG) is the sum of principal repayments and interest actually paid on long-term obligations of public debtors and long-term private obligations guaranteed by a public entity. Data are in current U.S. dollars. F
or more information, see Tables: WDI 4.18.
Public spending on education, total (% of GNP, UNESCO)
Public expenditure on education (total) is the percentage of GNP accounted for by public spending on public education plus subsidies to private education at the primary, secondary, and tertiary levels. For more information, see Tables: WDI 2.9.
Pupil-teacher ratio, primary
Primary school pupil-teacher ratio is the number of pupils enrolled in primary school divided by the number of primary school teachers (regardless of their teaching assignment). For more information, see Tables: WDI 2.9.
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