| Number of Pension Plans with Fewer Than 100 Participants by type of plan, 1978-1997 |
|||||||||
| YEAR | Total Plans | Single Employer Plans 1/ | Multiemployer Plans 2/ | ||||||
| Total | Defined Benefit |
Defined Contribution |
Total | Defined Benefit |
Defined Contribution |
Total | Defined Benefit |
Defined Contribution |
|
| 1978 | 408,665 | 105,474 | 303,191 | 408,401 | 105,323 | 303,078 | 265 | 151 | 113 |
| 1979 | 435,334 | 116,143 | 319,191 | 435,053 | 115,954 | 319,099 | 281 | 189 | 92 |
| 1980 | 451,046 | 123,591 | 327,455 | 450,740 | 123,340 | 327,400 | 306 | 251 | 55 |
| 1981 | 505,368 | 142,304 | 363,064 | 505,109 | 142,165 | 362,944 | 259 | 139 | 120 |
| 1982 | 552,258 | 149,600 | 402,658 | 551,899 | 149,391 | 402,508 | 359 | 309 | 150 |
| a | |||||||||
| 1983 | 558,146 | 149,164 | 408,982 | 557,847 | 148,955 | 408,892 | 299 | 209 | 90 |
| 1984 | 558,943 | 142,912 | 416,031 | 558,649 | 142,699 | 415,950 | 293 | 213 | 81 |
| 1985 | 583,476 | 145,430 | 438,046 | 583,171 | 145,292 | 437,879 | 305 | 138 | 167 |
| 1986 | 666,669 | 148,168 | 518,501 | 666,424 | 148,005 | 518,419 | 245 | 163 | 82 |
| 1987 | 681,238 | 139,644 | 541,594 | 680,921 | 139,472 | 541,449 | 310 | 169 | 141 |
| a | |||||||||
| 1988 | 675,525 | 123,146 | 552,378 | 675,117 | 122,962 | 552,154 | 408 | 184 | 224 |
| 1989 | 675,706 | 111,048 | 564,658 | 675,470 | 110,941 | 564,529 | 236 | 107 | 129 |
| 1990 | 659,144 | 93,821 | 565,323 | 658,848 | 93,730 | 565,118 | 296 | 91 | 205 |
| 1991 | 645,517 | 83,298 | 562,218 | 645,182 | 83,181 | 562,001 | 334 | 117 | 217 |
| 1992 | 650,282 | 69,883 | 580,399 | 649,924 | 69,778 | 580,146 | 358 | 104 | 253 |
| a | |||||||||
| 1993 | 642,615 | 64,937 | 577,678 | 642,196 | 64,799 | 577,396 | 419 | 137 | 282 |
| 1994 | 628,707 | 56,322 | 572,385 | 628,307 | 56,134 | 572,173 | 399 | 188 | 212 |
| 1995 | 631,117 | 52,405 | 578,712 | 630,780 | 52,311 | 578,469 | 337 | 94 | 243 |
| 1996 | 632,520 | 47,104 | 585,416 | 632,069 | 46,941 | 585,128 | 451 | 163 | 288 |
| 1997 | 653,696 | 43,647 | 610,049 | 653,347 | 43,519 | 609,828 | 350 | 128 | 222 |
| 1/ Includes single employer plans, plans of controlled groups of corporations, and multiple-employer noncollectively bargained plans. |
| 2/ Includes multiemployer plans and multiple-employer collectively bargained plans. |
| SOURCE: Form 5500 series reports filed with the Internal Revenue Service for 1978-97 plan years. |
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