DNA Relationship Segment Ranges

This table shows the reported ranges of DNA segment lengths for various calculated relationships as they compare to total chromosome lengths. (see On Deriving the DNA Relationship Probability Table).

DNA Survey Submission Form

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Cluster Relation Gen. Sample Min Lower Q1 Median Q3 Upper Max
1.0 Self 2 98.55% 98.55% 98.87% 99.18% 99.49% 99.81% 99.81%
2.0 Parent/Child 9 49.73% 49.73% 49.78% 49.80% 50.00% 50.07% 50.07%
3.0 Sibling 2 41.58% 41.58% 41.58% 41.58% 41.58% 41.58% 41.58%
3.5 Half Sibling 3 21.90% 21.90% 23.01% 24.13% 24.35% 24.57% 24.57%
4.0 Grandparent/Grandchild 1 21.99% 21.99% 21.99% 21.99% 21.99% 21.99% 21.99%
4.0 Aunt/Uncle/Nephew/Niece 10 18.69% 20.81% 23.74% 24.82% 25.70% 26.42% 26.42%
4.5 Half Aunt/Uncle/Nephew/Niece 6 9.37% 9.37% 10.44% 11.76% 12.96% 15.31% 15.31%
5.0 Great Aunt/Uncle/Nephew/Niece 6 8.98% 10.07% 11.28% 11.73% 12.09% 13.30% 14.17%
5.0 1st Cousin 7 7.76% 7.76% 10.23% 12.94% 13.60% 13.84% 13.84%
5.5 Half Great Aunt/Uncle/Nephew/Niece 2 6.06% 6.06% 6.25% 6.44% 6.63% 6.82% 6.82%
5.5 Half 1st Cousin 13 5.25% 5.25% 6.06% 6.49% 7.15% 8.50% 8.50%
5.999 Double 1st Cousin 1x Removed 2 15.19% 15.19% 15.20% 15.20% 15.21% 15.21% 15.21%
6.0 Great Great Aunt/Uncle/Nephew/Niece 2 7.09% 7.09% 7.18% 7.27% 7.36% 7.45% 7.45%
6.0 1st Cousin 1x Removed 31 3.09% 3.09% 5.19% 6.14% 6.99% 9.69% 10.39%
6.5 Half 1st Cousin 1x Removed 20 1.40% 1.40% 2.51% 3.46% 3.93% 4.55% 4.55%
7.0 1st Cousin 2x Removed 20 1.47% 1.47% 2.11% 2.68% 3.16% 4.40% 4.40%
7.0 2nd Cousin 48 0.65% 0.65% 2.50% 3.24% 3.99% 6.13% 6.13%
7.5 Half 1st Cousin 2x Removed 5 0.23% 0.23% 0.35% 0.39% 0.44% 0.46% 0.46%
7.5 Half 2nd Cousin 17 0.23% 0.23% 0.54% 1.54% 1.91% 2.85% 2.85%
8.0 1st Cousin 3x Removed 3 0.41% 0.41% 1.16% 1.91% 2.12% 2.33% 2.33%
8.0 2nd Cousin 1x Removed 139 0.10% 0.10% 0.73% 1.32% 1.83% 3.47% 3.85%
8.5 Half 1st Cousin 3x Removed 2 0.32% 0.32% 0.33% 0.34% 0.35% 0.36% 0.36%
8.5 Half 2nd Cousin 1x Removed 36 0.23% 0.23% 0.35% 0.45% 0.79% 1.47% 2.78%
9.0 1st Cousin 4x Removed 2 0.49% 0.49% 0.49% 0.49% 0.49% 0.49% 0.49%
9.0 2nd Cousin 2x Removed 76 0.09% 0.09% 0.36% 0.53% 0.75% 1.35% 3.22%
9.0 3rd Cousin 165 0.10% 0.10% 0.46% 0.71% 1.18% 2.26% 3.51%
9.5 Half 2nd Cousin 2x Removed 15 0.31% 0.31% 0.39% 0.52% 0.83% 1.49% 2.27%
9.5 Half 3rd Cousin 21 0.12% 0.12% 0.30% 0.46% 0.52% 0.84% 1.45%
9.999 Double 2nd Cousin 3x Removed 1 1.29% 1.29% 1.29% 1.29% 1.29% 1.29% 1.29%
9.999 Double 3rd Cousin 1x Removed 1 0.99% 0.99% 0.99% 0.99% 0.99% 0.99% 0.99%
10.0 1st Cousin 5x Removed 2 0.10% 0.10% 0.62% 1.14% 1.65% 2.17% 2.17%
10.0 2nd Cousin 3x Removed 15 0.00% 0.00% 0.16% 0.22% 0.42% 0.80% 0.99%
10.0 3rd Cousin 1x Removed 297 0.00% 0.00% 0.30% 0.46% 0.68% 1.25% 2.20%
10.5 Half 3rd Cousin 1x Removed 26 0.00% 0.00% 0.27% 0.37% 0.62% 1.15% 1.80%
10.94 3rd Cousin 2x Removed 6 4 0.18% 0.18% 0.24% 0.48% 0.88% 1.41% 1.41%
10.95 4th Cousin 5 3 0.47% 0.47% 0.48% 0.49% 0.49% 0.49% 0.49%
10.999 Double 3rd Cousin 2x Removed 4 0.38% 0.38% 0.54% 0.70% 0.82% 0.88% 0.88%
10.999 Double 4th Cousin 5 0.09% 0.19% 0.43% 0.43% 0.59% 0.78% 0.78%
11.0 2nd Cousin 4x Removed 3 0.11% 0.11% 0.18% 0.26% 0.32% 0.38% 0.38%
11.0 3rd Cousin 2x Removed 94 0.00% 0.00% 0.19% 0.31% 0.49% 0.93% 1.28%
11.0 4th Cousin 227 0.00% 0.00% 0.21% 0.32% 0.49% 0.90% 1.73%
11.5 Half 3rd Cousin 2x Removed 6 0.13% 0.13% 0.19% 0.32% 0.41% 0.46% 0.46%
11.5 Half 4th Cousin 27 0.13% 0.13% 0.17% 0.17% 0.37% 0.69% 0.71%
11.93 3rd Cousin 3x Removed 7 2 0.27% 0.27% 0.27% 0.27% 0.27% 0.27% 0.27%
11.94 4th Cousin 1x Removed 6 19 0.10% 0.10% 0.17% 0.20% 0.29% 0.49% 0.62%
11.949 Double 4th Cousin 1x Removed 5 1 0.60% 0.60% 0.60% 0.60% 0.60% 0.60% 0.60%
11.95 4th Cousin 1x Removed 5 1 0.56% 0.56% 0.56% 0.56% 0.56% 0.56% 0.56%
11.999 Double 3rd Cousin 3x Removed 8 0.33% 0.33% 0.45% 0.64% 0.70% 0.82% 0.82%
11.999 Double 4th Cousin 1x Removed 23 0.13% 0.13% 0.23% 0.37% 0.50% 0.90% 0.92%
12.0 3rd Cousin 3x Removed 21 0.00% 0.00% 0.15% 0.30% 0.47% 0.96% 0.99%
12.0 4th Cousin 1x Removed 377 0.00% 0.00% 0.18% 0.28% 0.42% 0.77% 1.61%
12.449 Half Double 4th Cousin 1x Removed 5 2 0.60% 0.60% 0.65% 0.69% 0.73% 0.78% 0.78%
12.499 Half Double 4th Cousin 1x Removed 1 0.12% 0.12% 0.12% 0.12% 0.12% 0.12% 0.12%
12.5 Half 3rd Cousin 3x Removed 1 0.81% 0.81% 0.81% 0.81% 0.81% 0.81% 0.81%
12.5 Half 4th Cousin 1x Removed 25 0.09% 0.09% 0.17% 0.23% 0.47% 0.88% 0.88%
12.93 4th Cousin 2x Removed 7 13 0.00% 0.02% 0.13% 0.14% 0.20% 0.31% 0.55%
12.93 5th Cousin 7 5 0.35% 0.35% 0.35% 0.39% 0.45% 0.45% 0.45%
12.939 Double 5th Cousin 6 4 0.37% 0.37% 0.49% 0.53% 0.58% 0.70% 0.71%
12.94 4th Cousin 2x Removed 6 2 0.40% 0.40% 0.42% 0.44% 0.46% 0.47% 0.47%
12.94 5th Cousin 6 26 0.09% 0.09% 0.15% 0.31% 0.36% 0.49% 0.49%
12.949 Double 4th Cousin 2x Removed 5 1 0.31% 0.31% 0.31% 0.31% 0.31% 0.31% 0.31%
12.95 4th Cousin 2x Removed 5 1 0.22% 0.22% 0.22% 0.22% 0.22% 0.22% 0.22%
12.997 Quadruple 4th Cousin 2x Removed 1 0.36% 0.36% 0.36% 0.36% 0.36% 0.36% 0.36%
12.999 Double 4th Cousin 2x Removed 10 0.09% 0.09% 0.15% 0.24% 0.36% 0.59% 0.59%
12.999 Double 5th Cousin 49 0.09% 0.09% 0.19% 0.30% 0.45% 0.83% 1.55%
13.0 4th Cousin 2x Removed 167 0.00% 0.00% 0.17% 0.26% 0.35% 0.60% 1.08%
13.0 5th Cousin 337 0.00% 0.00% 0.17% 0.26% 0.38% 0.70% 1.55%
13.499 Half Double 4th Cousin 2x Removed 1 0.56% 0.56% 0.56% 0.56% 0.56% 0.56% 0.56%
13.5 Half 4th Cousin 2x Removed 21 0.14% 0.14% 0.24% 0.29% 0.45% 0.62% 0.62%
13.5 Half 5th Cousin 14 0.13% 0.13% 0.17% 0.23% 0.32% 0.55% 0.58%
13.929 Double 5th Cousin 1x Removed 7 2 0.17% 0.17% 0.20% 0.23% 0.26% 0.29% 0.29%
13.93 4th Cousin 3x Removed 7 2 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
13.93 5th Cousin 1x Removed 7 12 0.00% 0.00% 0.00% 0.00% 0.16% 0.30% 0.30%
13.938 Triple 5th Cousin 1x Removed 6 1 0.37% 0.37% 0.37% 0.37% 0.37% 0.37% 0.37%
13.939 Double 5th Cousin 1x Removed 6 1 0.37% 0.37% 0.37% 0.37% 0.37% 0.37% 0.37%
13.94 5th Cousin 1x Removed 6 18 0.10% 0.10% 0.18% 0.25% 0.43% 0.58% 0.58%
13.997 Quadruple 5th Cousin 1x Removed 1 0.14% 0.14% 0.14% 0.14% 0.14% 0.14% 0.14%
13.998 Triple 5th Cousin 1x Removed 11 0.17% 0.20% 0.34% 0.42% 0.43% 0.56% 0.56%
13.999 Double 5th Cousin 1x Removed 56 0.11% 0.11% 0.16% 0.29% 0.37% 0.69% 0.89%
14.0 4th Cousin 3x Removed 13 0.00% 0.00% 0.16% 0.24% 0.32% 0.55% 0.69%
14.0 5th Cousin 1x Removed 587 0.00% 0.00% 0.16% 0.24% 0.35% 0.62% 1.45%
14.44 Half 5th Cousin 1x Removed 6 4 0.10% 0.10% 0.11% 0.12% 0.14% 0.19% 0.19%
14.499 Half Double 5th Cousin 1x Removed 1 0.13% 0.13% 0.13% 0.13% 0.13% 0.13% 0.13%
14.5 Half 4th Cousin 3x Removed 7 0.00% 0.00% 0.14% 0.29% 0.33% 0.47% 0.47%
14.5 Half 5th Cousin 1x Removed 59 0.10% 0.10% 0.18% 0.24% 0.35% 0.58% 0.58%
14.93 5th Cousin 2x Removed 7 7 0.00% 0.00% 0.00% 0.00% 0.10% 0.25% 0.32%
14.93 6th Cousin 7 8 0.12% 0.12% 0.14% 0.21% 0.26% 0.40% 0.40%
14.94 5th Cousin 2x Removed 6 1 0.13% 0.13% 0.13% 0.13% 0.13% 0.13% 0.13%
14.94 6th Cousin 6 9 0.20% 0.20% 0.30% 0.36% 0.47% 0.60% 0.60%
14.95 6th Cousin 5 1 0.71% 0.71% 0.71% 0.71% 0.71% 0.71% 0.71%
14.998 Triple 6th Cousin 2 0.17% 0.17% 0.21% 0.26% 0.30% 0.35% 0.35%
14.999 Double 5th Cousin 2x Removed 4 0.00% 0.00% 0.00% 0.09% 0.22% 0.34% 0.34%
14.999 Double 6th Cousin 29 0.10% 0.10% 0.13% 0.15% 0.25% 0.43% 0.43%
15.0 5th Cousin 2x Removed 60 0.00% 0.00% 0.00% 0.19% 0.34% 0.75% 0.75%
15.0 6th Cousin 494 0.00% 0.00% 0.14% 0.20% 0.29% 0.50% 0.72%
15.43 Half 5th Cousin 2x Removed 7 4 0.00% 0.00% 0.00% 0.00% 0.04% 0.09% 0.14%
15.44 Half 6th Cousin 6 1 0.16% 0.16% 0.16% 0.16% 0.16% 0.16% 0.16%
15.5 Half 5th Cousin 2x Removed 11 0.00% 0.00% 0.09% 0.24% 0.32% 0.37% 0.37%
15.5 Half 6th Cousin 64 0.10% 0.10% 0.15% 0.19% 0.27% 0.43% 0.43%
15.93 6th Cousin 1x Removed 7 9 0.00% 0.00% 0.00% 0.24% 0.27% 0.33% 0.33%
15.94 6th Cousin 1x Removed 6 2 0.29% 0.29% 0.29% 0.29% 0.30% 0.30% 0.30%
15.949 Double 6th Cousin 1x Removed 5 1 0.14% 0.14% 0.14% 0.14% 0.14% 0.14% 0.14%
15.998 Triple 6th Cousin 1x Removed 2 0.17% 0.17% 0.26% 0.34% 0.43% 0.52% 0.52%
15.999 Double 5th Cousin 3x Removed 1 0.13% 0.13% 0.13% 0.13% 0.13% 0.13% 0.13%
15.999 Double 6th Cousin 1x Removed 12 0.15% 0.15% 0.32% 0.36% 0.47% 0.71% 1.08%
16.0 5th Cousin 3x Removed 4 0.14% 0.14% 0.18% 0.24% 0.31% 0.37% 0.37%
16.0 6th Cousin 1x Removed 154 0.00% 0.00% 0.09% 0.19% 0.30% 0.62% 0.77%
16.43 Half 6th Cousin 1x Removed 7 1 0.14% 0.14% 0.14% 0.14% 0.14% 0.14% 0.14%
16.5 Half 6th Cousin 1x Removed 13 0.00% 0.00% 0.00% 0.00% 0.12% 0.29% 0.32%
16.919 Double 7th Cousin 8 1 0.49% 0.49% 0.49% 0.49% 0.49% 0.49% 0.49%
16.93 7th Cousin 7 2 0.00% 0.00% 0.06% 0.11% 0.17% 0.22% 0.22%
16.949 Double 6th Cousin 2x Removed 5 1 0.16% 0.16% 0.16% 0.16% 0.16% 0.16% 0.16%
16.95 7th Cousin 5 1 0.14% 0.14% 0.14% 0.14% 0.14% 0.14% 0.14%
16.996 Pentuple 7th Cousin 1 0.25% 0.25% 0.25% 0.25% 0.25% 0.25% 0.25%
16.997 Quadruple 7th Cousin 1 0.21% 0.21% 0.21% 0.21% 0.21% 0.21% 0.21%
16.998 Triple 6th Cousin 2x Removed 1 0.18% 0.18% 0.18% 0.18% 0.18% 0.18% 0.18%
16.998 Triple 7th Cousin 2 0.16% 0.16% 0.17% 0.18% 0.19% 0.20% 0.20%
16.999 Double 6th Cousin 2x Removed 5 0.12% 0.13% 0.18% 0.19% 0.21% 0.26% 0.34%
16.999 Double 7th Cousin 2 0.45% 0.45% 0.49% 0.54% 0.59% 0.63% 0.63%
17.0 6th Cousin 2x Removed 16 0.13% 0.13% 0.17% 0.21% 0.25% 0.38% 0.59%
17.0 7th Cousin 63 0.00% 0.00% 0.15% 0.23% 0.30% 0.53% 0.86%
17.499 Half Double 7th Cousin 1 0.16% 0.16% 0.16% 0.16% 0.16% 0.16% 0.16%
17.5 Half 7th Cousin 5 0.09% 0.09% 0.12% 0.12% 0.13% 0.15% 0.16%
17.92 7th Cousin 1x Removed 8 1 0.22% 0.22% 0.22% 0.22% 0.22% 0.22% 0.22%
17.996 Pentuple 7th Cousin 1x Removed 1 0.13% 0.13% 0.13% 0.13% 0.13% 0.13% 0.13%
17.998 Triple 7th Cousin 1x Removed 1 0.20% 0.20% 0.20% 0.20% 0.20% 0.20% 0.20%
17.999 Double 6th Cousin 3x Removed 1 0.43% 0.43% 0.43% 0.43% 0.43% 0.43% 0.43%
17.999 Double 7th Cousin 1x Removed 2 0.16% 0.16% 0.17% 0.18% 0.18% 0.19% 0.19%
18.0 6th Cousin 3x Removed 1 0.50% 0.50% 0.50% 0.50% 0.50% 0.50% 0.50%
18.0 7th Cousin 1x Removed 40 0.09% 0.09% 0.16% 0.21% 0.28% 0.45% 0.58%
18.499 Half Double 7th Cousin 1x Removed 1 0.22% 0.22% 0.22% 0.22% 0.22% 0.22% 0.22%
18.996 Pentuple 8th Cousin 1 0.13% 0.13% 0.13% 0.13% 0.13% 0.13% 0.13%
18.999 Double 8th Cousin 1 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10%
19.0 7th Cousin 2x Removed 6 0.20% 0.20% 0.22% 0.28% 0.35% 0.41% 0.41%
19.0 8th Cousin 10 0.11% 0.11% 0.12% 0.16% 0.22% 0.37% 0.41%
19.92 8th Cousin 1x Removed 8 1 0.16% 0.16% 0.16% 0.16% 0.16% 0.16% 0.16%
19.94 7th Cousin 3x Removed 6 2 0.19% 0.19% 0.19% 0.19% 0.19% 0.19% 0.19%
20.0 7th Cousin 3x Removed 1 0.30% 0.30% 0.30% 0.30% 0.30% 0.30% 0.30%
20.0 8th Cousin 1x Removed 13 0.09% 0.09% 0.11% 0.19% 0.23% 0.41% 0.55%
20.94 8th Cousin 2x Removed 6 2 0.12% 0.12% 0.13% 0.14% 0.15% 0.16% 0.16%
20.998 Triple 9th Cousin 1 0.27% 0.27% 0.27% 0.27% 0.27% 0.27% 0.27%
21.0 8th Cousin 2x Removed 4 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
21.0 9th Cousin 1 0.17% 0.17% 0.17% 0.17% 0.17% 0.17% 0.17%
21.93 8th Cousin 3x Removed 7 1 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
21.94 8th Cousin 3x Removed 6 7 0.09% 0.09% 0.09% 0.17% 0.25% 0.33% 0.33%
21.94 9th Cousin 1x Removed 6 10 0.11% 0.11% 0.12% 0.19% 0.24% 0.26% 0.26%
22.0 9th Cousin 1x Removed 3 0.16% 0.16% 0.16% 0.16% 0.32% 0.49% 0.49%
22.93 9th Cousin 2x Removed 7 3 0.00% 0.00% 0.00% 0.00% 0.09% 0.19% 0.19%
22.94 9th Cousin 2x Removed 6 14 0.09% 0.09% 0.11% 0.14% 0.17% 0.26% 0.68%
22.94 10th Cousin 6 3 0.11% 0.11% 0.11% 0.12% 0.16% 0.20% 0.20%
23.0 9th Cousin 2x Removed 1 0.71% 0.71% 0.71% 0.71% 0.71% 0.71% 0.71%
23.0 10th Cousin 2 0.13% 0.13% 0.16% 0.19% 0.22% 0.24% 0.24%
23.93 9th Cousin 3x Removed 7 1 0.35% 0.35% 0.35% 0.35% 0.35% 0.35% 0.35%
23.94 10th Cousin 1x Removed 6 23 0.09% 0.09% 0.12% 0.16% 0.18% 0.27% 0.27%
24.0 10th Cousin 1x Removed 1 0.43% 0.43% 0.43% 0.43% 0.43% 0.43% 0.43%
24.5 Half 10th Cousin 1x Removed 1 0.24% 0.24% 0.24% 0.24% 0.24% 0.24% 0.24%
24.93 11th Cousin 7 1 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
24.94 10th Cousin 2x Removed 6 2 0.16% 0.16% 0.19% 0.21% 0.24% 0.26% 0.26%
24.94 11th Cousin 6 9 0.10% 0.10% 0.13% 0.17% 0.22% 0.27% 0.27%
25.0 10th Cousin 2x Removed 4 0.27% 0.27% 0.28% 0.32% 0.37% 0.37% 0.37%
25.94 11th Cousin 1x Removed 6 7 0.14% 0.14% 0.16% 0.17% 0.28% 0.45% 0.45%
26.0 10th Cousin 3x Removed 2 0.26% 0.26% 0.26% 0.27% 0.27% 0.27% 0.27%
26.0 11th Cousin 1x Removed 1 0.16% 0.16% 0.16% 0.16% 0.16% 0.16% 0.16%
26.94 11th Cousin 2x Removed 6 1 0.09% 0.09% 0.09% 0.09% 0.09% 0.09% 0.09%
27.0 11th Cousin 2x Removed 2 0.24% 0.24% 0.24% 0.24% 0.24% 0.24% 0.24%
28.0 11th Cousin 3x Removed 1 0.20% 0.20% 0.20% 0.20% 0.20% 0.20% 0.20%
Total 4475
Last Updated: Wednesday, 16-Oct-24 11:21:55 GMT (Now)
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