. 6 ▁inhabitants / km 2 . ▁ ▁Urban ization : ▁ 6 8 . 1 % ▁( 2 0 0 4 ); ▁Population ▁growth : ▁ 1 . 5 % ▁( 1 9 9 1 – 2 0 0 0 ); ▁H ouses : ▁ 1 , 4 4 2 , 5 0 0 ▁( 2 0 0 5 ). ▁ ▁The ▁last ▁P N AD ▁( National ▁Research ▁for ▁Sample ▁of ▁Dom ic iles ) ▁census ▁revealed ▁the ▁following ▁numbers : ▁ 4 , 2 7 1 , 0 0 0 ▁Brown ▁( Mult ira cial ) ▁people ▁( 6 6 . 7 4 % ), ▁ 1 , 6 3 6 , 0 0 0 ▁White ▁people ▁( 2 5 . 5 7 % ), ▁ 4 1 0 , 0 0 0 ▁Black ▁people ▁( 6 . 4 1 % ), ▁ 4 3 , 0 0 0 ▁Asian ▁people ▁( 0 . 6 7 % ), ▁ 3 9 , 0 0 0 ▁Amer ind ian ▁people ▁( 0 . 6 0 %). ▁ ▁L arg est ▁cities ▁ ▁Econom y ▁ ▁Mar anh ão ▁is ▁one ▁of ▁the ▁poor est ▁states ▁of ▁Brazil . ▁The ▁service ▁sector ▁is ▁the ▁largest ▁component ▁of ▁G DP ▁at ▁ 7 0 %, ▁followed ▁by ▁the ▁industrial ▁sector ▁at ▁ 1 9 . 6 %. ▁Agricult ure ▁represents ▁ 1 0 . 4 % ▁of ▁G DP ▁( 2 0 1 5 ). ▁Mar anh ão ▁is ▁the ▁fourth - larg