Socioeconomic category change date

socioeconomic_category_change_dateLife eventDate

Dates when a household's socioeconomic category last changed (see Socioeconomic category change direction). Known or imputed for 201.5 million individuals — 80.7% of Faraday's identity graph.

At a glance

Coverage today
80.7%
Typical coverage
77.1%
Individuals with a value
201.5M
Median
Mar 2025
Most values come
from the person
Latest collection
May 1, 2026

When these dates fall

n = 201,464,106

Share of individuals with a known date in each period. The middle 50% falls between Feb 2024 and Feb 2026, shaded darkest.

P10
Jul 2021
P25
Feb 2024
Median
Mar 2025
P75
Feb 2026
P90
Jul 2026

P10 means 10% of individuals have a date on or before this one, and P90 means 90% do. P25 and P75 bound the middle half. The median is the middle: half fall before it, half after.

Median over time

Apr 2025

Jul 2023 → Apr 2025 across 12 collections, shaded between P25 and P75. Estimated from a 1% sample of individuals.

Mar 2024Nov 2024Apr 2025Oct 2025Dec 2025May 2026

Coverage

Latest collection: 229,689,060 individuals

Coverage by state

Percentage of individuals in each state with a value.

Coverage over time

80.7% today

Share of individuals holding a value at each monthly snapshot. A value carries forward for one year.

Jul 23Jun 24Mar 25Jul 25Nov 25Feb 26May 26

How we arrive at a value

Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.

On the person — 100%
A named person, from a record about that person.
From address — 0%
Not used for this attribute — no value is inherited this way.
From geography — 0%
Not used for this attribute — no value is inherited this way.

Coverage, in context

Where 80.7% sits on the catalog’s own coverage range.

catalog min 0%max 100%

Higher coverage than 45% of individual-level attributes in the catalog

Freshness

How recently this was collected, and how often a new collection arrives. Each bar is the number of individuals in that collection. Gaps are real — collection is periodic, not continuous.

May 1, 2026
latest collection
5 months 2 days
since the latest collection
quarterly
new collection cadence
Mar 24Nov 24Apr 25Oct 25Dec 25Mar 26

Change between collections

The share of individuals whose date is different from the previous collection.

5.4%

of individuals changed value between the two most recent collections — 2.5× steadier than the catalog median of 13.5%.

Went down 0.0%Unchanged 94.6%Went up 5.4%

Contribution ledger

13 ingestions

1 authority contributed since Jul 2023.

ObservedIngestedCountID
2026-05-012026-09-10266,506,942c5492806…
2026-03-012026-07-01264,096,9771181277b…
2026-02-012026-07-02264,777,400af53c569…
2025-12-012026-08-11268,508,09184d6a1c5…
2025-11-012026-08-11268,299,874a071c538…

Technical details

API name
socioeconomic_category_change_date
Category
fig/life_event
Type · unit
Date
Statistical type
interval
Allowed values
null
Derivations
Modeled
— the attribute is calculated using an algorithm that takes known records as input.
Directionality
null
Deprecation
false

In a payload

{
  "attributes": {
    "socioeconomic_category_change_date": "2024-11-01"
  }
}