WordNet (r) 3.0 (2006):

per capita
    adv 1: per person; "we are spending $5,000 per capita annually
           for education in this district" [syn: per capita, for
           each person, of each person]
    adj 1: per person; "among the states Connecticut has a high per
           capita income"

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "per capita":
   all, apiece, aside, distributional, distributive, each,
   each to each, equal, even stephen, fifty-fifty, half,
   half-and-half, halvers, one by one, particular, per, per annum,
   per head, pro rata, proportional, proportionate, prorated,
   respective, respectively, several, severally



Bouvier's Law Dictionary, Revised 6th Ed (1856):

PER CAPITA, by the head or polls. This term is applied when an estate is to
be divided share and share alike. For example, if a legacy be given to the
issue of A B, and A B at the time of his death, shall have two children and
two grandchildren, his estate shall be divided into four parts, and the
children and grandchildren shall each have one of them. 3 Ves. 257; 13 Ves.
344. Vide 1 Rop. on Leg. 126, 130.