There are a number of parameters, most of which are independent of each other. The full syntax is as follows:
{{Infobox union by country <!-- please include empty fields for future use -->|national =|government =|legislation =|membership_number =<!-- preferably national totals -->|union_percentage1_title =|union_percentage1 =<!-- union density by region/industry/demographics as available -->|union_percentage2_title =|union_percentage2 =<!-- as above -->|ITUC-GRI =<!-- Use: 1, 2, 3, 4, 5 or 5+ rating available at www.ituc-csi.org/ituc-global-rights-index-2023 -->|ILOmember =<!-- Use: yes, no, y or n or in case of territory use o or other -->|country =|territory =<!-- for autonomous sub-national areas with separate jurisdictions, eg St Helena (UK), Zanzibar (Tanzania) etc -->|ILO-87date =|ILO-98date =}}
government - The article name(s) of related national government agency(ies).
legislation - The article name(s) of the primary trade union legislation.
membership_number - Preferably a single national number, and reference.
union_percentage1_title - Title for the following section. (e.g. Union Density, or Demographics)
union_percentage1 - May contain a simple breakdown of membership ratios. (e.g. 62% of formal workforce) or (35% of government workforce <br> 19% of non-government workforce).
union_percentage2_title - Title for the following section. (e.g. Union Density, or Demographics)
union_percentage2 - May contain an additional simple breakdown of membership ratios. (e.g. 56% of women in workforce <br> 62% of men in workforce).
ITUC-GRI - rating (from 1 to 5 and 5+) of trade union rights by the Global Rights Index from ITUC, source www.ituc-csi.org/ituc-global-rights-index-2023
ILOmember - Member of the International Labour Organization yes or no (or other - only in the case of sub-national autonomous jurisdictions).
country - General usage name of the country. Used to personalize ILO membership sentence.
territory - General usage name of the sub-national autonomous jurisdictions, used to indicate how included in ILO membership .