Relative likelihood that each Enneagram type pairing lasts more than 20 years, compared with the overall sample average
| Type |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
| 1 |
-10.5% |
+55.5% |
-9.0% |
-34.0% |
+50.0% |
-51.0% |
+50.5% |
+39.0% |
+15.5% |
| 2 |
+55.5% |
-44.5% |
-20.0% |
-32.0% |
+25.0% |
+1.5% |
+15.5% |
+19.0% |
+27.0% |
| 3 |
-9.0% |
-20.0% |
-25.0% |
+13.5% |
-30.0% |
+16.0% |
+8.0% |
-54.5% |
-18.0% |
| 4 |
-34.0% |
-32.0% |
+13.5% |
-37.5% |
+39.5% |
-20.5% |
+6.5% |
-18.5% |
-31.0% |
| 5 |
+50.0% |
+25.0% |
-30.0% |
+39.5% |
-63.0% |
-8.5% |
+18.0% |
-3.5% |
-34.0% |
| 6 |
-51.0% |
+1.5% |
+16.0% |
-20.5% |
-8.5% |
-7.5% |
-16.5% |
+13.0% |
-17.5% |
| 7 |
+50.5% |
+15.5% |
+8.0% |
+6.5% |
+18.0% |
-16.5% |
+8.5% |
-35.0% |
-22.5% |
| 8 |
+39.0% |
+19.0% |
-54.5% |
-18.5% |
-3.5% |
+13.0% |
-35.0% |
-20.0% |
+76.5% |
| 9 |
+15.5% |
+27.0% |
-18.0% |
-31.0% |
-34.0% |
-17.5% |
-22.5% |
+76.5% |
+4.0% |
Important: A couple shown in dark red does not mean that this pairing is “impossible,” since long-term relationships already exist between these types. It simply means these couples may face more challenges than others when the partners are not healthy. Any healthy Enneagram type can have a healthy relationship with any other healthy Enneagram type.
Methodology
-
We selected 50 couples for each Enneagram type and each relationship-length category
(less than 1 year, 1–5 years, 5–10 years, 10–20 years, and more than 20 years) in order to balance type representation and reduce biases related to relationship length. That gave us 250 couples per type across all durations, and 2,250 couples total.
-
For each two-type combination, we calculated the share of couples that had been together for more than 20 years
out of all couples observed for that combination.
-
We then combined both directions of each pair
(for example, 1–2 and 2–1) and recalculated the ratio based on the combined total.
-
We then converted that ratio into a relative index by comparing it with the overall sample average
(with 20% as the baseline, since long-term relationships made up 20% of the selected sample for each type).
-
How to read the index:
0% = average, +50% = 50% above average,
-50% = 50% below average.
Can all Enneagram types have a long-term relationship?
Absolutely. Our data show that every pairing exists in relationships lasting more than 20 years. Some couples tend to make it past the 20-year mark more often than others, but overall, every pairing is capable of lasting more than 20 years.
Why do some Enneagram couples tend to last longer than others?
One possible explanation is that some type pairings are more often associated with strong relationship stability in our sample, even though they come with their own challenges as well. But this is not a rule, as shown by couples who still make it past 20 years despite the difficulties they may face. Overall, all Enneagram pairings can have good compatibility. More pronounced difficulties tend to arise mainly when the partners are less healthy.
Does a long relationship guarantee a healthy relationship?
No. A long relationship is one indicator of relationship stability, but it does not guarantee a healthy relationship. A healthy relationship requires both partners to be healthy, regardless of their Enneagram types.
That said, when a given Enneagram pairing shows up more often in relationships lasting more than 20 years than other pairings in our sample, it may indirectly suggest that compatibility is more common between those types, without proving it by itself.
What kinds of attraction and challenges can Enneagram couples experience?
Click on a type pairing below to read a description of the main points of attraction and the potential challenges that can arise between each combination.
In a Relationship with Type 1
1-11-21-31-41-51-61-71-81-9
In a Relationship with Type 2
2-12-22-32-42-52-62-72-82-9
In a Relationship with Type 3
3-13-23-33-43-53-63-73-83-9
In a Relationship with Type 4
4-14-24-34-44-54-64-74-84-9
In a Relationship with Type 5
5-15-25-35-45-55-65-75-85-9
In a Relationship with Type 6
6-16-26-36-46-56-66-76-86-9
In a Relationship with Type 7
7-17-27-37-47-57-67-77-87-9
In a Relationship with Type 8
8-18-28-38-48-58-68-78-88-9
In a Relationship with Type 9
9-19-29-39-49-59-69-79-89-9