Wikidata:Property proposal/has census

has census

Originally proposed at Wikidata:Property proposal/Place

   Done: has census (P8701) (Talk and documentation)

Description	general population census of the country or region
Data type	Item
Domain	"demographics of" items
Allowed values	items about population census. Value would generally be unique (e.g. add Japan 2010 Census (Q15727301) to demographics of Japan (Q1124220), not to "demographics of Tokyo")
Example 1	demographics of Japan (Q1124220) → Japan 2010 Census (Q15727301)
Example 2	demographics of the Philippines (Q2361183) → 2015 Census of the Philippines (Q24170418)
Example 3	demographics of the United States (Q1965974) → 2010 United States Census (Q523716)
Example 4	demographics of Monaco (Q2345347) → 2016 Monaco census (Q99470335)
Example 5	demographics of Canada (Q2492796) → Canada 2011 Census (Q5029304)
Planned use	try to add all censuses (censusses? census? not: censi) since 2001 to demographics items about countries cleanup demographics items

Motivation

We seem to add some of their contents, but it's not necessarily easy to gain an overview nor an idea of our completeness. I guess this could be seen as a subproperty of significant event (P793).

The idea is not to create a value for every official population number published, but to add general censuses. While many are done every ten years at the end (or beginning) of a decade, in some countries they are not.

To avoid overloading country items further and as we generally have demographics items, the proposal is to add it there.

Please help complete/expand the proposal (Add your motivation for this property here.) --- Jura 07:34, 19 September 2020 (UTC)

@Bouzinac, Husky, Franzsimon, Pmt, Bluerasberry: @The-erinaceous-one: who recently proposed/commented on demographics items. --- Jura 07:34, 19 September 2020 (UTC)

Discussion

• Why don't we just make each census event an instance of the recurring census? For example, if you look at United States census (Q1345528), then you see that it has instances for 1800 United States Census, 1810 United States Census, etc.

If we do make this property, I would change the label from "has census" to "census event" so that it is clear that is referring to the indivdual events rather than the recurring event.

— The Erinaceous One 🦔 07:49, 19 September 2020 (UTC)

• The idea is indeed to add items about the individual census rather than the plan. The property can also be interesting for older censuses, not necessarily that frequent. First I was going to propose to use just "census", but that might have been ambiguous. I'm not entirely convinced by the word "event" in the label, but I don't mind improving the label. --- Jura 08:15, 19 September 2020 (UTC)
  • Putting "event" in the title seems consistent with making this a subproperty of "significant event," but the labels "census" or "has census" is probably fine too. I  Support this proposal with "census event" as the label and  Weak support it otherwise. — The Erinaceous One 🦔 09:59, 19 September 2020 (UTC)

•  Support Good initiative, would be important for demograpchic items. I do very much like the idea of having general demographic items for a country separated from the country item. Pmt (talk) 08:22, 19 September 2020 (UTC)

  Does it mean demographic data (population of country X at year Y) are going to move from country item to these specialised censūs item ? Bouzinac ^{💬●✒️●💛} 08:55, 19 September 2020 (UTC)

  • The proposal is just for the census items. What can be done with other properties shouldn't be a factor and is probably better discussed elsewhere. Whatever is being done, population (P1082) should probably not be impacted. --- Jura 09:15, 19 September 2020 (UTC)

•  Comment Why is planned use limited to *try to add all censuses (censusses? census? not: censi) :since 2001 ? Pmt (talk) 08:31, 19 September 2020 (UTC)

cēnsūs:) Bouzinac ^{💬●✒️●💛} 08:57, 19 September 2020 (UTC)

• "Planned use" is just to indicate what the proposer somehow offers the community to do .. it doesn't mean that more can't be done. It's just that I don't want to promise more than I'd deliver. --- Jura 08:35, 19 September 2020 (UTC)

• Not sure
  • Like Pmt, I question why to limits this property only to contemporary censuses. Also it seems like there is intent to limit this to national censuses, done by each countries own government, which are official. What about Central Park Squirrel Census (Q85751238), does this get to use the property also?
  • I agree with The-erinaceous-one, if we are to use this, then why not link to the concept of each census then make the list of individual censuses instances of that? In that way, no updating is necessary and people can add diverse variations to the main census.

Blue Rasberry (talk) 20:08, 19 September 2020 (UTC)

• demographics (Q2725376) is somewhat limited to humans. I try to address the point pmt made about "planned use" above [1]. --- Jura 08:40, 20 September 2020 (UTC)

• Seems like it would just duplicate ?census wdt:P31 / [ wdt:P279 wd:Q39825; wdt:P17 ?country ] ? --Yair rand (talk) 23:49, 21 September 2020 (UTC)
  • Historic ones might have less clear-cut definitions. --- Jura 10:18, 30 September 2020 (UTC)

• @Jura1, The-erinaceous-one, Bouzinac, Bluerasberry, Yair_rand:  Done --Paperoastro (talk) 22:18, 11 October 2020 (UTC)