  Statistical and probabilistic reasoning enlightens our judgments about
uncertainty and the chance or beliefs on the occurrence of random events in
everyday life. Therefore, there are scientists working with Probability and
Statistics in various fields of knowledge, what favors the formation of
scientific network collaborations of researchers with different backgrounds.
Here, we propose to describe the Brazilian PhDs who work with probability and
statistics. In particular, we analyze national and states collaboration
networks of such researchers by calculating different metrics. We show that
there is a greater concentration of nodes in and around the cites which host
Probability and Statistics graduate programs. Moreover, the states that host P
& S Doctoral programs are the most central. We also observe a disparity in the
size of the states networks. The clustering coefficient of the national network
suggests that this network and regional differences especially with respect to
states from South-east and North is not cohesive and, probably, it is in a
maturing stage
