Surname and address last verified month

surname_and_address_last_verified_monthDemographyDate · year-month

Indicates the year and month an individual's surname and address was most recently verified. Known or imputed for 247.9 million individuals — 99.3% of Faraday's identity graph.

At a glance

Coverage today
99.3%
Typical coverage
99.3%
Individuals with a value
247.9M
Median
Nov 2025 year-month
Most values come
from the person
Latest collection
May 1, 2026

When these dates fall

n = 247,862,630

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

P10
May 2023
P25
Jul 2024
Median
Nov 2025
P75
Mar 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

Nov 2025

Dec 2023 → Nov 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

99.3% 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 99.3% sits on the catalog’s own coverage range.

catalog min 0%max 100%

Higher coverage than 48% 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.

33.1%

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

Went down 0.4%Unchanged 66.9%Went up 32.7%

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
surname_and_address_last_verified_month
Category
fig/demography
Type · unit
Date · year-month
Statistical type
interval
Allowed values
null
Derivations
Unspecified
Directionality
null
Deprecation
false

In a payload

{
  "attributes": {
    "surname_and_address_last_verified_month": "2025-10-01"
  }
}