Percentage of Shared Autosomal DNA
The information from this chart is taken from one produced by Debbie Parker Wayne, CG, CGL
Her chart available at http://debsdelvings.blogspot.com/2013/10/percentage-shared-atdna-chart.html
YOU
6800 cM
(rounded)
Parent
Grandparent,
50%
3400 cM
Half-sibling
Parent
50%
3400 cM
Sibling
50%
2640 cM
Aunt/uncle,
Niece/nephew,
Dbl 1st Cousins
25%
1700cM
1st cousin
12.5%
850 cM
Grandparent,
Aunt/uncle,
Niece/nephew,
Dbl 1st Cousins
25%
25%
1700 cM
1700cM
Gt Gdparent, Half- Great
aunt/uncle, Halfaunt/uncle
niece/nephew
12.5%
12.5%
850 cm
850 cM
Half-sibling
25%
1700 cM
Gt Gdparent, Halfaunt/uncle, Halfniece/nephew
12.5%
850 cM
Great aunt/uncle
12.5%
850 cm
1st cousin once
removed; half 1st
cousin
6.25%
425 cM
1st cousin once 2nd cousin
removed; half
3.13%
1st cousin
212 cM
6.25%
99% CHANCE OF
425 cM
MATCH
2nd Great
Grandparent
6.25%
425 cM
3rd Great
Grandparent
3.13%
212 cM
4th Great
Grandparent
1.56%
106 cM
5th Great
Grandparent
.78%
53 cM
6th Great
Grandparent
.40%
26 cM
7th Great
2nd Great
aunt/uncle
6.25%
425 cM
3rd Great
aunt/uncle
3.13%
212 cM
4th Great
aunt/uncle
1.56%
106 cM
5th Great
aunt/uncle
.78%
53 cM
6th Great
aunt/uncle
.40%
26 cM
7th Great
1st cousin 2x
removed
3.13%
212 cM
1st cousin 3x
removed
1.56%
106 cM
1st cousin 4x
removed
.78%
53 cM
1st cousin 5x
removed
.40%
26 cM
1st cousin 6x
removed
.20%
13 cM
1st cousin 7x
removed
.10%
6.6 cM
2nd cousin 3x
removed
.40%
26 cM
2nd cousin 4x
removed
.20%
13 cM
2nd cousin 5x
removed
.10%
6.6 cM
2nd cousin 6x
removed
.05%
3.32 cM
3rd cousin
.78%
53 cM
90% CHANCE OF
MATCH
3nd cousin once
removed
.40%
26 cM
3nd cousin once 3rd cousin 2x
removed
removed
.40%
.20%
26 cM
13 cM
3rd cousin 3x
removed
.10%
6.6 cM
3rd cousin 4x
removed
.05%
3.32 cM
3rd cousin 5X
removed
.025%
1.66 cM
4th cousin 3X
removed
.025%
1.66 cM
4th cousin 4x
removed
.013%
.83 cM
2nd cousin once 2nd cousin 2x
removed
removed
.78%
1.56%
53 cM
106 cM
Grandparent
.20%
13 cM
aunt/uncle
.20%
13 cM
2nd Great
Grandparent
6.25%
425 cM
2nd Great
aunt/uncle
6.25%
425 cM
1st cousin 2x
removed
3.13%
212 cM
2nd cousin once
removed
1.56%
106 cM
3rd Great
Grandparent
3.13%
212 cM
3rd Great
aunt/uncle
3.13%
212 cM
1st cousin 3x
removed
1.56%
106 cM
2nd cousin 2x
removed
.78%
53 cM
4th Great
Grandparent
1.56%
106 cM
4th Great
aunt/uncle
1.56%
106 cM
1st cousin 4x
removed
.78%
53 cM
2nd cousin 3x
removed
.40%
26 cM
3rd cousin 2x
removed
.20%
13 cM
4th cousin once 5th cousin
removed
.05% 3.32 cM
.10%
>10% CHANCE
6.6 cM
MATCH
5th cousin once
removed
.025%
1.66 cM
5th cousin 2x
removed
.013%
.83 cM
5th cousin 3x
removed
.006%
.42 cM
5th Great
Grandparent
.78%
53 cM
5th Great
aunt/uncle
.78%
53 cM
1st cousin 5x
removed
.40%
26 cM
2nd cousin 4x
removed
.20%
13 cM
3rd cousin 3x
removed
.10%
6.6 cM
4th cousin 2x
removed
.05%
3.32 cM
5th cousin once
removed
.025%
1.66 cM
6th cousin once
removed
.006%
.42 cM
6th cousin 2x
removed
.003%
.21 cM
6th Great
Grandparent
.40%
26 cM
6th Great
aunt/uncle
.40%
26 cM
1st cousin 6x
removed
.20%
13 cM
2nd cousin 5x
removed
.10%
6.6 cM
3rd cousin 4x
removed
.05%
3.32 cM
4th cousin 3X
removed
.025%
1.66 cM
5th cousin 2x
removed
.013%
.83 cM
6th cousin
.013%
.83 cM
2% CHANCE
MATCH
6th cousin once
removed
.006%
.42 cM
7th cousin
.003%
.21 cM
7th cousin once
removed
.0015%
.10 cM
7th Great
7th Great
Grandparent
.20%
13 cM
aunt/uncle
.20%
13 cM
1st cousin 7x
removed
.10%
6.6 cM
2nd cousin 6x
removed
.05%
3.32 cM
3rd cousin 5X
removed
.025%
1.66 cM
4th cousin 4x
removed
.013%
.83 cM
5th cousin 3x
removed
.006%
.42 cM
6th cousin 2x
removed
.003%
.21 cM
7th cousin once 8th cousin
removed
.001%
.0015%
.05 cM
.10 cM
4th cousin
.20% 13 cM
50% CHANCE
OF MATCH
4th cousin once 4th cousin 2x
removed
removed
.10%
.05%
6.6 cM
3.32 cM
Double-cousins and others with multiple biological relationships will likely share more than the percentage of DNA shown in this chart.
*Some additional statistics were also taken from http://www.isogg.org/wiki/Autosomal_DNA_statistics#DNA_percentages.