The second indicator of cross-wiki is given by the proportion of editors from each language community whose primary project is another Wikipedia language edition. As said, the primary language of an editor is simply the one in which has made more edits. Receiving contributions from editors whose project is another Wikipedia language edition is an opportunity to grow content. These contributions can be significant for very small Wikipedia language edition.
Meta-Wiki Active Editors
In Figure 10, we can see the number of editors in the selected Wikipedia language editions in Septembers 2021 that are also active on Meta-wiki; the graph shows the absolute number of editors and the corresponding percentage with respect to the total active editors of the wiki of origin.
Figure 10. Vital sign: Meta-wiki participation. Absolute numbers and percentage of editors of each Wikipedia language that are also active editors on Meta-wiki.
With respect to RQ6 [Global-Meta-wiki], we generally see little participation in the global project spaces (Meta-wiki). The proportion of editors who edit Meta-wiki ranges between 0.5 and 10% of the total size of the active community of editors. For large communities like English, German, and Italian, the percentage tends to be around 1%, while for very small communities like Swahili and Afrikaans, whose number of active editors is not consolidated, the percentage may rise up to 5 or even 10%. This may be explained by the fact that, in these communities, the most engaged editors are more connected to the
