World Development Indicators (WDI) Guide

The World Development Indicators (WDI) is the World Bank's premier compilation of cross-country comparable data on development. It contains over 1,600 time series indicators for 217 economies.

Indicator Categories

1. Economy & Growth

Indicator Code	Name	Unit
NY.GDP.MKTP.CD	GDP (current US$)	US$
NY.GDP.MKTP.KD.ZG	GDP growth (annual %)	%
NY.GDP.PCAP.CD	GDP per capita (current US$)	US$
NY.GDP.PCAP.PP.CD	GDP per capita, PPP (current intl $)	Intl $
NV.AGR.TOTL.ZS	Agriculture, value added (% of GDP)	%
NV.IND.TOTL.ZS	Industry, value added (% of GDP)	%
NV.SRV.TOTL.ZS	Services, value added (% of GDP)	%

2. Trade & External Sector

Indicator Code	Name	Unit
NE.EXP.GNFS.CD	Exports of goods and services (current US$)	US$
NE.IMP.GNFS.CD	Imports of goods and services (current US$)	US$
BN.CAB.XOKA.GD.ZS	Current account balance (% of GDP)	%
BX.KLT.DINV.CD.WD	FDI, net inflows (BoP, current US$)	US$
BX.TRF.PWKR.CD.DT	Personal remittances, received (current US$)	US$
FI.RES.TOTL.CD	Total reserves (includes gold, current US$)	US$

3. Financial Sector

Indicator Code	Name	Unit
FM.LBL.BMNY.GD.ZS	Broad money (% of GDP)	%
FP.CPI.TOTL.ZG	Inflation, consumer prices (annual %)	%
FR.INR.RINR	Real interest rate (%)	%
CM.MKT.LCAP.GD.ZS	Market capitalization (% of GDP)	%
GC.DOD.TOTL.GD.ZS	Central government debt (% of GDP)	%

4. Demographics & Labor

Indicator Code	Name	Unit
SP.POP.TOTL	Population, total	Persons
SP.POP.GROW	Population growth (annual %)	%
SP.DYN.LE00.IN	Life expectancy at birth, total (years)	Years
SP.DYN.TFRT.IN	Fertility rate, total (births per woman)	Births
SL.UEM.TOTL.ZS	Unemployment, total (% of total labor force)	%
SL.TLF.CACT.ZS	Labor force participation rate (% of pop ages 15+)	%

5. Social Indicators

Indicator Code	Name	Unit
SI.POV.DDAY	Poverty headcount ratio at $2.15/day	%
SI.POV.GINI	Gini index	Index
SE.PRM.ENRR	School enrollment, primary (% gross)	%
SE.SEC.ENRR	School enrollment, secondary (% gross)	%
SE.TER.ENRR	School enrollment, tertiary (% gross)	%
SH.XPD.CHEX.GD.ZS	Current health expenditure (% of GDP)	%

6. Infrastructure & Technology

Indicator Code	Name	Unit
EG.ELC.ACCS.ZS	Access to electricity (% of population)	%
EG.USE.PCAP.KG.OE	Energy use (kg of oil equivalent per capita)	kg
IT.NET.USER.ZS	Individuals using the Internet (% of pop)	%
IT.CEL.SETS.P2	Mobile cellular subscriptions (per 100 people)	Per 100
IS.AIR.PSGR	Air transport, passengers carried	Persons

7. Environment

Indicator Code	Name	Unit
EN.ATM.CO2E.KT	CO2 emissions (kt)	kt
EN.ATM.CO2E.PC	CO2 emissions (metric tons per capita)	Metric tons
AG.LND.FRST.ZS	Forest area (% of land area)	%
ER.LND.PTLD.ZS	Terrestrial protected areas (% of total land area)	%

Sample Query

Python Example

import requests

# Query multiple WDI indicators for Vietnam
url = "https://ecodata.khoviet.com/api/v1/indicators/batch"

payload = {
    "source": "WB",
    "indicators": [
        "NY.GDP.MKTP.CD",
        "NY.GDP.MKTP.KD.ZG",
        "FP.CPI.TOTL.ZG"
    ],
    "countries": ["VN", "TH", "ID", "MY", "PH"],
    "start_year": 2015,
    "end_year": 2023
}

response = requests.post(url, json=payload)
data = response.json()

# Print results
for item in data['data']:
    print(f"{item['country']}: {item['indicator']} = {item['value']} ({item['year']})")

Output Format

{
  "data": [
    {
      "country": "VN",
      "country_name": "Vietnam",
      "indicator": "NY.GDP.MKTP.CD",
      "indicator_name": "GDP (current US$)",
      "year": 2023,
      "value": 430000000000,
      "unit": "US$"
    }
  ],
  "metadata": {
    "source": "World Bank - WDI",
    "last_updated": "2024-03-15"
  }
}

Data Coverage

Region	Countries	Time Range
East Asia & Pacific	37	1960-2023
Europe & Central Asia	58	1960-2023
Latin America & Caribbean	42	1960-2023
Middle East & North Africa	21	1960-2023
North America	3	1960-2023
South Asia	8	1960-2023
Sub-Saharan Africa	48	1960-2023

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Pro Tip

Use the batch API endpoint for querying multiple indicators at once to optimize performance.