9 ▁) ▁the ▁population ▁has ▁changed ▁at ▁a ▁rate ▁of ▁ 3 . 2 %. ▁ ▁It ▁has ▁changed ▁at ▁a ▁rate ▁of ▁ 0 . 3 % ▁due ▁to ▁migration ▁and ▁at ▁a ▁rate ▁of ▁ 2 . 3 % ▁due ▁to ▁birth s ▁and ▁death s . ▁ ▁Most ▁of ▁the ▁population ▁() ▁speak s ▁French ▁( 1 , 1 8 2 ▁or ▁ 8 7 . 4 % ), ▁with ▁German ▁being ▁second ▁most ▁common ▁( 4 9 ▁or ▁ 3 . 6 %) ▁and ▁Portuguese ▁being ▁third ▁( 4 8 ▁or ▁ 3 . 5 %). ▁ ▁There ▁are ▁ 1 7 ▁people ▁who ▁speak ▁Italian ▁and ▁ 2 ▁people ▁who ▁speak ▁Rom ans h . ▁ ▁Of ▁the ▁population ▁in ▁the ▁municipality ▁ 4 2 5 ▁or ▁about ▁ 3 1 . 4 % ▁were ▁born ▁in ▁Bi ère ▁and ▁lived ▁there ▁in ▁ 2 0 0 0 . ▁ ▁There ▁were ▁ 4 2 4 ▁or ▁ 3 1 . 3 % ▁who ▁were ▁born ▁in ▁the ▁same ▁canton , ▁while ▁ 2 0 3 ▁or ▁ 1 5 . 0 % ▁were ▁born ▁somewhere ▁else ▁in ▁Switzerland , ▁and ▁ 2 4 9 ▁or ▁ 1 8 . 4 % ▁were ▁born ▁outside ▁of ▁Switzerland . ▁ ▁In ▁ ▁there ▁were ▁ 1 3 ▁live ▁birth s ▁to ▁Swiss ▁citizens ▁and ▁ 4 ▁birth s ▁to ▁non - Sw iss ▁citizens , ▁and ▁in ▁same ▁time ▁span ▁there ▁were ▁ 6 ▁death s ▁of ▁Swiss ▁citizens