Muon radiative energy loss (in 1.0E06 cm^2/g) in lithium (Li) with Z = 3, A = 6.94(2) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.1128 0.0455 0.4906 0.6489 5. 0.1540 0.1172 0.5148 0.7861 10. 0.1895 0.1861 0.4975 0.8731 20. 0.2279 0.2619 0.4733 0.9631 50. 0.2819 0.3672 0.4474 1.0965 100. 0.3237 0.4462 0.4349 1.2049 200. 0.3635 0.5153 0.4287 1.3075 500. 0.4115 0.5934 0.4276 1.4325 1000. 0.4431 0.6431 0.4350 1.5213 2000. 0.4698 0.6800 0.4471 1.5970 5000. 0.4971 0.7139 0.4697 1.6807 10000. 0.5119 0.7301 0.4924 1.7344 20000. 0.5225 0.7403 0.5191 1.7819 50000. 0.5317 0.7480 0.5611 1.8409 100000. 0.5358 0.7512 0.5973 1.8842