Source
County Health Rankings (RWJF + UWPHI) · vintage 2026 · refresh cadence: annual
Years — primary health-outcome metric
Direction of better
Higher values are better. Used to rank candidate towns/properties; higher score = stronger fit.
Unit
Values are reported in years.
Where the data lives
Tables: municipality_metrics
Columns: life_expectancy
Input field: life_expectancy
JSON-LD example
Every value emitted by ValiFit (in /api/v1, MCP responses, on-page JSON-LD) carries a propertyID set to this metric_id, so AI clients can resolve it back here in one round-trip.
{
"@type": "PropertyValue",
"propertyID": "demographics.life_expectancy",
"name": "Life Expectancy at Birth",
"value": "example",
"unitText": "years",
"additionalProperty": [
{
"@type": "PropertyValue",
"name": "composite",
"value": "Health"
},
{
"@type": "PropertyValue",
"name": "level",
"value": "city"
},
{
"@type": "PropertyValue",
"name": "direction",
"value": "higher_better"
},
{
"@type": "PropertyValue",
"name": "source_year",
"value": "2026"
},
{
"@type": "PropertyValue",
"name": "fha_safe",
"value": true
}
],
"valueReference": {
"@type": "QuantitativeValue",
"additionalType": "https://valifit.com/catalog/metric",
"identifier": "demographics.life_expectancy",
"sameAs": "County Health Rankings (RWJF + UWPHI)"
},
"mentions": [
{
"@type": "Dataset",
"@id": "https://valifit.com/sources/county-health-rankings",
"identifier": "COUNTY_HEALTH_RANKINGS",
"name": "County Health Rankings (RWJF + UWPHI)",
"url": "https://www.countyhealthrankings.org",
"sameAs": "https://www.countyhealthrankings.org",
"creator": {
"@type": "Organization",
"name": "Robert Wood Johnson Foundation + University of Wisconsin Population Health Institute"
},
"temporalCoverage": "annual",
"dateModified": "2026-04-01"
}
]
}For programmatic access
GET /api/v1/catalog/metrics?id=demographics.life_expectancy
MCP tool: get_catalog with id="demographics.life_expectancy"