The ratios of the yields of primary charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity for p+p collisions at s(NN)=200 GeV. Ratios of <pi(-)/pi(+)>=1.000+/-0.012 (stat.) +/- 0.019 (syst.), <K-/K+>=0.93+/-0