Property talk:P4135

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maximum age
highest age a person is eligible to do something, for example be member in youth organisation or sport teams, some positions like judges, clinical trials, etc

Has quality	maximum (Q10578722)
Data type	Quantity
Domain	human (note: this should be moved to the property statements)
Allowed values	According to this template: numbers According to statements in the property: 0 ≤ 𝓧 ≤ not applicable When possible, data should only be stored as statements
Allowed units	According to this template: periods of time According to statements in the property: year (Q577), month (Q5151), week (Q23387), years old (Q24564698) or days old (Q73432913) When possible, data should only be stored as statements
Example	UEFA European Under-21 Football Championship (Q478770) → 23 years old
Tracking: usage	Category:Pages using Wikidata property P4135 (Q126369162)
<complementary property>	minimum age (P2899)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value User:Laboramus/Units/P4135 (Units used) Database reports/Constraint violations/P4135 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 200,053 Main statement 199,797 99.9% of uses Qualifier 255 0.1% of uses Reference 1 <0.1% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Range from “0” to “+∞”: values should be in the range from “0” to “+∞”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4135#Range, hourly updated report

Units: “year (Q577), month (Q5151), week (Q23387), years old (Q24564698), days old (Q73432913)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4135#Units

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4135#Entity types

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4135#Scope, SPARQL

This property is being used by: be-x-old:Шаблён:Гульня be-tarask:Шаблён:Гульня he:תבנית:צבא Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

"years old" unit

Adding years old (Q24564698) as a valid unit, since it's made for the purpose and the Talk:Q577 clearly shows that year (Q577) turned into something more complicated than what is normally used to measure age. Jagulin (talk) 14:50, 29 July 2019 (UTC)