in Afghanistan , the War in Afghanistan (2001–present) Flag used by the Taliban (1997–2001) Active 1994–1996 ( militia ) 1996–2001 ( government ) 2004–present ( insurgency ) Ideology Islamism Islamic fundamentalism Pashtun nationalism Takfiri Strict sharia law Leaders Mullah Mohammed Omar Area of operations Afghanistan and Pakistan Strength 45,000 (2001 est.) [