The secondary research process involved comprehensive analysis of industry databases, trade publications, regulatory filings, and authoritative textile industry sources. Key sources included the US Department of Commerce (Commerce.gov), International Trade Administration (ITA), Office of Textiles and Apparel (OTEXA), US Bureau of Labor Statistics (BLS), European Commission DG GROW (Internal Market, Industry, Entrepreneurship and SMEs), Eurostat Textile Production Statistics, China National Textile and Apparel Council (CNTAC), Ministry of Textiles (Government of India), Japan Textile Federation (JTF), International Textile Manufacturers Federation (ITMF), Textile Exchange, American Apparel & Footwear Association (AAFA), European Apparel and Textile Confederation (Euratex), World Trade Organization (WTO) Trade Statistics, UN Comtrade Database, OECD Trade in Value Added (TiVA) Database, Food and Agriculture Organization (FAO) - Cotton and Natural Fibers Division, USDA Foreign Agricultural Service (FAS) - Cotton Reports, International Cotton Advisory Committee (ICAC), Bureau of Indian Standards (BIS), ASTM International Textile Standards, ISO/TC 38 Textile Technical Committee, and national statistical agencies from key textile-producing nations. These sources were used to collect production statistics, trade flow data, regulatory compliance requirements, raw material pricing trends, sustainability certifications, and competitive landscape analysis for natural fibers, synthetic fibers, cotton, polyester, nylon, wool, silk, technical textiles, and non-woven fabrics.