  We investigate the little hierarchy between Z boson mass and the SUSY
breaking scale in the context of landscape of electroweak symmetry breaking
vacua. We consider the radiative symmetry breaking and found that the scale
where the electroweak symmetry breaking conditions are satisfied and the
average stop mass scale is preferred to be very close to each other in spite of
the fact that their origins depend on different parameters of the model. If the
electroweak symmetry breaking scale is fixed at about 1 TeV by the
supersymmetry model parameters then the little hierarchy seems to be preferred
among the electroweak symmetry breaking vacua. We characterize the little
hierarchy by a probability function and the mSUGRA model is used as an example
to show the 90% and 95% probability contours in the experimentally allowed
region. We also investigate the size of the Higgsino mass by considering the
distribution of electroweak symmetry breaking scale.
