Table 2.

Social Security Benefits (net present value, average by quartile, at age 50)

AIME category/year	Male
	FEM time-trend			FEM-Waldron
	1928	1960	1990	1928	1960	1990
Lowest	78,688	91,038	96,335	91,355	97,335	103,714
2	117,892	145,157	156,068	140,410	160,094	184,185
3	151,117	195,068	204,331	183,584	221,002	248,733
Highest	183,226	236,453	241,024	223,126	280,121	324,120
Gap, high-low	104,538	145,415	144,689	131,771	182,785	220,406
Ratio, high/low	2.33	2.60	2.50	2.44	2.88	3.13
AIME category/year	Female
	FEM time-trend			FEM-Waldron
	1928	1960	1990	1928	1960	1990
Lowest	56,729	57,682	55,154	49,240	52,802	52,568
2	95,783	101,758	103,024	93,176	104,237	113,617
3	122,388	140,316	142,518	125,655	147,231	165,729
Highest	167,744	197,793	197,632	180,730	221,093	248,072
Gap, high-low	111,015	140,111	142,478	131,490	168,292	195,504
Ratio, high/low	2.96	3.43	3.58	3.67	4.19	4.72