Property talk:P102

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member of political party
the political party of which this politician is or has been a member
Representspolitical party (Q7278)
Data typeItem
Template parameteren:Template:Infobox_politician_(general) (party)
Domainhuman (Q5) and fictional character (Q95074)
ExampleEleanor Roosevelt (Q83396)Democratic Party (Q29552)
Leonid Brezhnev (Q765165)Communist Party of the Soviet Union (Q79854)
Deng Xiaoping (Q16977)Communist Party of China (Q17427)
Guðni Jóhannesson (Q24045706)independent politician (Q327591)
Robot and gadget jobsDeltaBot does the following jobs:
Tracking: sameno label (Q42533333)
Tracking: usageCategory:Pages using Wikidata property P102 (Q23908982)
See alsoparliamentary group (P4100)
  • Count of items by number of statements (chart)
  • Count of items by number of sitelinks (chart)
  • Items with the most identifier properties
  • Items with no other statements
  • Items with novalue claims
  • Items with unknown value claims
  • Usage history
  • Database reports/Complex constraint violations/P102
  • Database reports/Humans with missing claims/P102
  • Database reports/Constraint violations/P102
  • Proposal discussionProperty proposal/Archive/1#P102
    Current uses241,868
    [create] Create a translatable help page (preferably in English) for this property to be included here
    Value type “political party (Q7278): This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value political party (Q7278) (or a subclass thereof). (Help)
    Exceptions are possible as rare values may exist. Known exceptions: independent politician (Q327591)
    List of this constraint violations: Database reports/Constraint violations/P102#Value type Q7278, SPARQL
    Type “human (Q5), fictional character (Q95074): element must contain property “instance of (P31)” with classes “human (Q5), fictional character (Q95074)” or their subclasses (defined using subclass of (P279)). (Help)
    Exceptions are possible as rare values may exist.
    List of this constraint violations: Database reports/Constraint violations/P102#Type Q5, Q95074, SPARQL
    Qualifiers “start time (P580), end time (P582), point in time (P585), latest date (P1326), earliest date (P1319): this property should be used only with the listed qualifiers. (Help)
    Exceptions are possible as rare values may exist.
    List of this constraint violations: Database reports/Constraint violations/P102#Allowed qualifiers, SPARQL
    if [item A] has this property (P102) linked to [item B],
    then [item A] and [item B] have to coincide or coexist at some point of history.
    Exceptions are possible as rare values may exist.
    List of this constraint violations: Database reports/Constraint violations/P102#Contemporary, SPARQL
    This property is being used by:

    Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

    Archived creation discussion[edit]

    member of political party[edit]

    Would not include 'Republican' if they support Republican ideas, must be affiliated with the actual party. The party they voted for is also insufficient.Macadamia1472 (talk) 08:56, 6 February 2013 (UTC)

      • I've modified the title to "member of political party". I would suggest that this be narrowed to something like "for politicians and people notable for their contributions in the political/governmental sphere only; must be confirmed, not suspected". I'd Symbol support vote.svg Support something like that. Sven Manguard Wha? 03:36, 7 February 2013 (UTC)
      • Support (and agree with Sven). SPQRobin (talk) 23:10, 7 February 2013 (UTC)
        • I went ahead and created Property:P102 with the description "the political party this politician is currently a member of" to start with. "Currently": another issue is namely that politicians can switch party (this happens relatively often in my country). SPQRobin (talk) 23:13, 7 February 2013 (UTC)
          • We don't need to restrict it based on time, once qualifiers come on line, we'll be able to give the date range, I think. Honestly, I think that the development team made a colossal mistake in releasing only part of Phase II. Sven Manguard Wha? 08:16, 8 February 2013 (UTC)
            • Yeah, agree, I changed it to "is or has been a member of" awaiting qualifiers. The label in German already had similar wording. SPQRobin(talk) 23:14, 8 February 2013 (UTC)
      • Why do we need a special property for party affiliation? Wouldn't a generic "is member of" property be sufficient? -- Duesentrieb (talk) 13:37, 8 February 2013 (UTC)
      • I think there should be a property for party activists, not simple members or supporters. --NaBUru38 (talk) 21:27, 8 February 2013 (UTC)


    The English description says "currently member of". Isn't it like the deleted property "former member of a sport team", deleted because it's not right to talk about the "time" of the property? --Viscontino (talk) 10:42, 8 February 2013 (UTC)

    Yes. I think the property should be applied to former members.--Stevenliuyi (talk) 11:13, 8 February 2013 (UTC)

    A Note on Usage[edit]

    Persons who are not a member of any political party should use the "no value" as the value of this property. The period of party membership should be noted with qualifiers start time (P580) and end time (P582). --Wylve (talk) 10:55, 7 January 2014 (UTC)

    Depending on the country, for politicians actually running for office, using an item for independent might work better.
    --- Jura 08:46, 30 January 2016 (UTC)

    Use as member of parliamentary group[edit]

    For your information: In the discussion of the proposed property parliamentary group there is talk about changing member of political party (P102) so it can also include parliamentary groups which are not parties when used as a qualifier to position held (P39). You are invited to comment if you have an opinion about this. Best regards, Dipsacus fullonum (talk) 09:57, 30 March 2017 (UTC)

    Start time[edit]

    How do you determine when someone becomes a member of a political party? That would require access to voter registration records. --RAN (talk) 18:27, 23 March 2018 (UTC)

    This seems like a very difficult property to consistently be able to include, and I think it should be removed as a mandatory constraint. Becoming a member of a political party is not typically a formal event with a precise start date. In countries where you select a party when you register to vote, you could say it's the date you registered to vote that you joined that party. However, voter registration information is rarely public, and even if it was, including that date would be misleading, because membership in a political party is typically about what a person believes rather than who they're registered to vote for. Many people have been active in their political party since before they were old enough to vote; some people have temporarily changed their voter registration to strategically vote in another party's primary elections, etc. Sometimes we may have a precise date for when a person's party affiliation began (i.e. if the person publicly announces it), but these are the exceptional cases, not the norm. I don't think it makes any sense for 'start date' to be a mandatory qualifier for this property. –IagoQnsi (talk) 21:56, 30 March 2018 (UTC)
    I removed it. I added it to "allowed qualifiers" instead.
    --- Jura 07:35, 31 March 2018 (UTC)

    Outher bound on membership of parties[edit]

    Of various reasons there can outher bounds on memberships of political parties. Due to this I adjusted the constraints to include phone number (P1329) and latest date (P1326). This change is now reverted by User:Geom.[1] (Seems like Geom reverted his revert?)

    The specific case that lead to addition of phone number (P1329) and latest date (P1326) are memberships of Nasjonal Samling (Q167189), which became illegal 22. januar 1942 and dissolved in May 1945. Memberships after 22. januar 1942 has been prosecuted, and for most of the cases the membership has run until the party was dissolved. An example is Birger Meidell (Q4916234). When Wikidata claims indefinite memberships that is simply wrong.

    There are also other qualifiers that makes sense in this case, as it might be known that a person was member of a political party on a specific date. Jeblad (talk) 16:11, 2 June 2018 (UTC)