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Data Sources

The Survey Data Fetcher connects to three major international health data APIs.

DHS - Demographic and Health Surveys

The DHS Program provides nationally representative household survey data from over 90 countries.

Connection

Available Data

  • Geographic Levels: National and Subnational (regions/provinces)
  • Survey Types: Standard DHS, MIS (Malaria), AIS (AIDS), SPA (Service Provision)

Favorite Indicators

Category Indicators
ANC & Maternal ANC1 (skilled provider), ANC4+, Institutional delivery, Postnatal care
Vaccinations BCG, Penta1/2/3, Polio1/2/3, Measles1/2, Rotavirus, PCV
IPTp IPTp1, IPTp2, IPTp3
Mortality Infant mortality, Under-5 mortality, Neonatal mortality

Example Indicator IDs

RH_ANCP_W_SKP  → ANC1 from skilled provider
CH_VACC_C_BCG  → BCG vaccination
CH_VACC_C_DP1  → DPT/Penta 1
CM_ECMR_C_IMR  → Infant mortality rate

UNICEF - Multiple Data Sources

UNICEF provides data through SDMX web services, including MICS surveys, WUENIC estimates, and mortality data.

Connection

  • API: UNICEF SDMX API
  • Base URL: https://sdmx.data.unicef.org/ws/public/sdmxapi/rest

Available Datasets

Dataset Description
MICS Multiple Indicator Cluster Surveys
WUENIC WHO/UNICEF Estimates of National Immunization Coverage
UN IGME Inter-agency Group for Child Mortality Estimation

Favorite Indicators

Category Indicators
Maternal Health ANC1, ANC4, Skilled birth attendance, C-section
Child Immunization BCG, DTP1/3, Polio3, MCV1/2, Rotavirus, PCV3
Child Mortality Under-5 mortality, Infant mortality, Neonatal mortality

Example Indicator IDs

MNCH_ANC1     → At least one ANC visit
IM_DTP1       → DTP1 coverage (WUENIC)
CME_MRY0T4    → Under-5 mortality rate

UNWPP - UN World Population Prospects

The UN Population Division provides demographic estimates and projections.

Connection

API Token Required

UNWPP requires an API token. Set UNWPP_TOKEN in your .Renviron file or as a Hugging Face secret.

Register at population.un.org/dataportal to get your token.

Available Data

  • Years: 2000-2030 (estimates and projections)
  • Geographic Level: National only

Indicator Categories

Category Indicators
Health & Mortality Infant mortality rate, Under-5 mortality, Life expectancy
Demographics Total population, Crude birth rate, Total fertility rate
Social Structure Women of reproductive age, Population growth rate

Example Indicator IDs (UNWPP codes)

22  → Infant mortality rate
49  → Total population
80  → Live births
52  → Women of reproductive age (15-49)

Data Source Comparison

Feature DHS UNICEF UNWPP
Geographic level National + Subnational National National
Data type Survey (household) Survey + Modeled Modeled
Update frequency Per survey Annual Every 2 years
Historical data By survey year Varies 1950-2100