First time on this forum and first topic. Please correct me if this is not the right place or way to ask this question. I’m still a rookie on OSM as well.
These are the first reliable statistics since 2011 Census. Can we use this public data in OSM or WikiData? I’m really fond of improving the Namibian OSM. Please learn me the basics of using public data and how to tag them correctly.
In general it is okay to use public data. It is important to make sure that you are allowed to use the data for OSM purposes.
The best way is to contact the Namibia Statistics Agency and ask them for their consent.
You should mention this data source in your change set.
edit: If these are the preliminary results, it may be wise to wait for the final numbers. But of course you can ask already.
Sorry for the late reply, I just found this topic of yours which i found interesting, but no one really answered your question.
Well, I did answer late, but in the meantime, Namibia published the actual report, which is indeed better than a preliminary one. I went ahead and uploaded the document on archive.org so that it’s easy to consult. Here’s the link.
For population statistics, the most important tags are population=*, population:date=*, and source:population=*. Take a look at the wiki. You’ll want to go to the relation of Namibia and of each of the 14 regions of the country, and add the 3 tags with the correct info.
Example for Namibia: population=*3022401 population:date=2023 source:population=Namibia Statistics Agency
Example for the region of Zambezi: population=*142373 population:date=2023 source:population=Namibia Statistics Agency
This is a great start which would greatly improve the quality of data in the country. Don’t hesitate to ask more questions!