All the statistical data is based on the socionics test results (approximately 100k), thereby limiting (1) the ability to make any broad inferences from the data and (2) its application to the general population.
Socionics Type Distribution
This graph shows the overall sociotype distributions (as a percent) as well as the gender-specific distributions. Despite the inherent sampling bias in the data, the variance in sociotype prevalence is relatively small.
Socionics Dichotomy Trait Distribution
This graph shows the overall distribution between dichotomy traits as well as the gender-specific distributions. Overall, the results are not surprising. With regard to most of the dichotomies, there is a small variance between the traits. Intuitives are predictably over-represented, likely due to sampling bias (as well as some potentially preferential wording for some of the test questions that favors intuitives). In regards to the gender-specific distributions, there is a predictable divergence in the logical/ethical dichotomy, likely based on a combination of genetic differences as well as the influence of cultural norms/expectations.
Apart from these predicted results, there are some surprising ones as well. The gender-specific logical/ethical dichotomy exhibited a larger variance for women, with 63% of women typed as ethicals and only 56% of men typed as logicals. In contrast to this difference in gender-specific variance of the logical/ethical dichotomy, men exhibited larger variances than women for the second through fourth tier dichotomies.