---
title: "GetPopulationExposure"
method: GET
path: "/api/displacement/v1/get-population-exposure"
tags: ["DisplacementService"]
---

# GetPopulationExposure

`GET /api/displacement/v1/get-population-exposure`

## Request

- Base URL: `https://api.worldmonitor.app`
- URL: `https://api.worldmonitor.app/api/displacement/v1/get-population-exposure`
- Auth: one of:
  - API key in header `X-WorldMonitor-Key`
  - API key in header `X-Api-Key`

Country population or estimated population within a radius.

## Query parameters

- `mode` string
- `lat` number, double
- `lon` number, double
- `radius` number, double
- `jmespath` string

## Response `200`

OK

- WorldmonitorDisplacementV1GetPopulationExposureResponse: GetPopulationExposureResponse returns either a countries list or an exposure estimate.
  - `success` boolean: True if the request succeeded.
  - `countries` WorldmonitorDisplacementV1CountryPopulationEntry[]
    - `code` string: ISO 3166-1 alpha-3 country code.
    - `name` string: Country name.
    - `population` integer: Warning: Values > 2^53 may lose precision in JavaScript
    - `densityPerKm2` integer: Population density per square kilometer.
  - `exposure` WorldmonitorDisplacementV1ExposureResult: ExposureResult contains the population exposure estimate.
    - `exposedPopulation` integer: Warning: Values > 2^53 may lose precision in JavaScript
    - `exposureRadiusKm` number, double: Radius used for the estimate in km.
    - `nearestCountry` string: ISO3 code of nearest priority country.
    - `densityPerKm2` integer: Population density used for the estimate.

## Other responses

- `400`: Validation error
- `401`: Missing or invalid API key.
- `403`: API access requires an active subscription (the API key's subscription is inactive or expired).
- `429`: Rate limit exceeded.
- `503`: Service unavailable. Billing-verification responses include code and X-Billing-Verification; other gateway infrastructure failures use the generic GatewayError shape.
- `default`: Gateway or handler error response.

---

[API](https://skmtc.dev/worldmonitor/apis/worldmonitor-api.md) · [All operations](https://skmtc.dev/worldmonitor/apis/worldmonitor-api/llms.txt) · [OpenAPI document](https://skmtc.dev/worldmonitor/apis/worldmonitor-api/revisions/e3dc8463a5c9?raw)