Table 29. Savings and thrift plans: Eligibility requirements, private industry workers, National Compensation Survey, 2009 (All workers participating in savings and thrift plans = 100 percent) With Median No minimum Median service minimum Not Characteristics Total age or age requirem- age or determin- service requirem- ent (in service able requirem- ent months) requirem- ent ent Worker characteristic All workers.............. 100 70 21 6 25 5 Management, professional, and related.............. 100 63 21 6 31 5 Management, business, and financial.......... 100 65 21 – 28 7 Professional and related................ 100 62 21 6 33 4 Service.................. 100 76 21 12 17 7 Sales and office......... 100 77 21 6 18 5 Sales and related...... 100 87 21 12 10 4 Office and administrative support 100 73 21 6 22 5 Natural resources, construction, and maintenance.............. 100 74 21 – 21 5 Construction, extraction, farming, fishing, and forestry.. 100 84 21 12 – – Installation, maintenance, and repair 100 67 21 – 25 8 Production, transportation, and material moving.......... 100 71 21 6 25 4 Production............. 100 57 21 – 38 6 Transportation and material moving........ 100 91 21 6 8 1 Full time................ 100 69 21 6 26 5 Part time................ 100 86 21 12 10 4 Union.................... 100 55 21 6 38 6 Nonunion................. 100 72 21 6 23 5 Average wage within the following categories:(1) Lowest 25 percent...... 100 86 21 12 – – Lowest 10 percent.... 100 80 21 – – – Second 25 percent...... 100 75 21 6 19 6 Third 25 percent....... 100 71 21 6 25 5 Highest 25 percent..... 100 64 21 6 31 5 Highest 10 percent... 100 64 21 6 31 5 Establishment characteristic Goods-producing industries............... 100 66 21 – 30 4 Construction........... 100 97 21 12 – – Manufacturing.......... 100 60 21 3 35 5 Service-providing industries............... 100 72 21 6 23 5 Trade, transportation, and utilities.......... 100 85 21 – 12 3 Wholesale trade...... 100 77 21 6 22 1 Retail trade......... 100 92 21 12 – – Transportation and warehousing.......... 100 91 21 – – – Information............ 100 63 21 6 32 5 Financial activities... 100 68 21 – 26 6 Finance and insurance 100 66 21 – 27 7 Credit intermediation and related activities 100 80 21 – 16 4 Insurance carriers and related activities......... 100 50 21 – 39 10 Professional and business services...... 100 56 21 – 36 8 Professional and technical services... 100 63 21 12 – – Education and health services............... 100 71 21 – 24 5 Educational services 100 69 21 – 22 8 Junior colleges, colleges, and universities....... 100 63 21 12 31 7 Health care and social assistance.... 100 71 21 6 24 4 1 to 99 workers.......... 100 81 21 – 13 6 1 to 49 workers........ 100 82 21 – 13 6 50 to 99 workers....... 100 80 21 6 14 6 100 workers or more...... 100 64 21 6 31 5 100 to 499 workers..... 100 73 21 6 24 4 500 workers or more.... 100 55 21 6 40 5 Geographic area New England.............. 100 71 21 – 26 3 Middle Atlantic.......... 100 64 21 – 30 6 East North Central....... 100 71 21 6 20 9 West North Central....... 100 71 21 – 24 5 South Atlantic........... 100 75 21 6 23 2 East South Central....... 100 65 21 – 30 5 West South Central....... 100 60 21 – 38 3 Mountain................. 100 83 21 – – – Pacific.................. 100 73 21 – – – 1 The categories are based on the average wage for each occupation surveyed, which may include workers both above and below the threshold. The average wages are based on the estimates published in the "National Compensation Survey: Occupational Earnings in the United States, 2008." See Technical Note for more details. NOTE: Because of rounding, sums of individual items may not equal totals. Dashes indicate that no data were reported or that data do not meet publication criteria. For definitions of major plans, key provisions, and related terms, see the "Glossary of Employee Benefit Terms" at www.bls.gov/ncs/ebs/glossary20092010.htm.