The International Labour Organization (ILO) produces several databases that offer statistics and other information about wages and wage laws.

• ILOSTAT is a database of labor statistics which includes statistics on earnings and wage growth over time for most countries.
• NATLEX is a database of national labor, social security, and human rights laws and legislation, searchable by country and by topic of legislation.
• Labordoc - Institutional Repository is a database of research reports and other publications from the ILO and other sources on a variety of topics, including wages and wage laws.

See also BLS: Finding Wage and Occupation Data on the Business Library's YouTube channel.