The Main Actors Involved | Loyal and Allied parties | Supported Parties | Strength | References |
The Houthi forces (Ansar Allah) | 1) Saleh-Aligned Forces 2) Some Members of GPC | Iran and Hezbollah | Over 100,000 - 120,000 Fighters and followers unarmed loyalists | [29] |
The Yemeni Government (Hadi-aligned forces) | 1) Yemeni Islah party, 2) Some members GPC, 3) Yemeni Socialist Party (YSP) | The Saudi-led coalition (S-L.D), The United States | Unknown | [22] |
AQAP | Islamic State (IS) | Unknown | 4000 fighters | [22] |
The southern transitional council (STC) | 1) Salafi militias 2) The Southern Movement 3) Security Belt forces | UAE | Around 90,000 irregular troops | [22] [30] |