The total affinity percentages for a single account may not sum up to 100% due to the presence of protected or suspended accounts. These accounts are not included in the analysis, leading to a discrepancy in the percentage results. On average, private or suspended accounts constitute between 5% and 15% of the total accounts in the sample, which can affect the overall percentage distribution.
Furthermore, when the affinity calculation involves followers from multiple handles, and these handles boast differing follower counts, the percentages are often skewed towards the larger account. This is particularly noticeable when some handles have millions of followers or surpass our 250k sample size.
In summary, it's important to note that the affinity percentages will not always total 100%. This is primarily attributed to the sample size limitation of 250k when amalgamating followers from different handles, as mentioned, along with the exclusion of protected or suspended accounts, regardless if the audience definition includes followers of one account or multiple.
Read our article on the difference between Affinity and Uniqueness here.