** I-DF29 (DF29/S438)*** I-M227 (M227)**** I-M72 (M72)*** I-L22 (L22/S142)**** I-P109 (P109)**** I-L205 (L205)**** I-L287 (L287)***** I-L258 (L258/S335)**** I-L300 (L300/S241)**** I-L813 (L813)*** I-Z58 (S244/Z58)**** I-Z59 (S246/Z59)***** I-Z60(S337/Z60, S439/Z61, Z62)****** I-Z140 (Z140, Z141)******* I-L338 (L338)****** I-Z73 (Z73)****** I-L573 (L573)****** I-L803 (L803)***** I-Z382 (Z382)**** I-Z138 (S296/Z138, Z139)*** I-Z63 (S243/Z63)**** I-L1237 (L1237)** I-Z131 (Z131)== Distribution by population ==I-M253 is found at its highest density in Northern Europe and other countries that experienced extensive migration from Northern Europe, either in the Migration Period, the Viking period or modern times.
*I1 (M253, M307.2/P203.2, L64, L75, L80, L81, L118, L121/S62, L123, L124/S64, L125/S65, L157.1, L186, L187, L840, M450/S109, P30, P40, S63, S66, S107, S108, S110, S111) "ранее называлась I1a"** I1*** I1a (DF29/S438)*** I1a**** I1a1 (M227)**** I1a1***** I1a1a (M72)*** I1a2 (L22/S142)**** I1a2***** I1a2a (P109)**** I1a2b (L205)**** I1a2c (L287)***** I1a2c****** I1a2c1 (L258/S335)**** I1a2d (L300/S241)**** I1a2e (L813)*** I1a3 (S244/Z58)**** I1a3***** I1a3a (S246/Z59)***** I1a3a****** I1a3a1 (S337/Z60, S439/Z61, Z62)****** I1a3a1******* I1a3a1a (Z140, Z141)******* I1a3a1a******** I1a3a1a1 (L338)****** I1a3a1b (Z73)****** I1a3a1c (L573)****** I1a3a1d (L803)***** I1a3a2 (Z382)**** I1a3b (S296/Z138, Z139)*** I1a4 (S243/Z63)** I1b (Z131)В регионах России до 18 % (Roewer 2008) носителей гаплогруппы I1.