There are now more than 3.5 million participants in the Thrift Savings Plan, TSP statistics show, with a total of some $167 billion on investment. Of the total participants, nearly 1.9 million are in FERS, another 443,000 in CSRS, another 493,000 military participants and another 707,000 participants not currently making contributions-such as separated persons who have left their accounts in place. Of the investment total, 39 percent is in the G fund, 40 percent in the C fund, 7 percent in the S fund, 6 percent each in the F and I funds, and 2 percent spread among the five L funds. The average account balance for a CSRS participant is about $47,000 and for a FERS participant about $56,000.