The halogen-free flame retardant systems market is projected to grow from USD 1.3 billion in 2026 to USD 2.8 billion by 2036, at a CAGR of 8.0%. Phosphorus-Based Flame Retardants (APP, DOPO, MELAM) will dominate with a 35.0% market share, while polyolefins (pp, pe) will lead the polymer type segment with a 28.0% share.