Social Security Benefit Calculator

$value) { // print($year." ". $value. "
\n"); //} } echo "
\n
\n"; if(isset($_POST["IndexFactorStr"])) { $IndexFactorStr= $_POST["IndexFactorStr"]; // composed of year and index. $IndexFactorStr = preg_replace('/[\s\t\n\r]+/', ' ', $IndexFactorStr); $IndexFactors= explode(" ",$IndexFactorStr); // turn into an array; $index_factor= array(); for($i=0;$i\n"; /*for($i=0;$i\n"); }*/ //foreach($index_factor as $year => $factor) { // print($year." ". $factor. "
\n"); //} $adjusted_earnings= array(); foreach($salary as $year => $value) { if(isset($index_factor[$year])) { $factor= $index_factor[$year]; $adjusted= $factor*$value; $adjusted_earnings[$year]= $adjusted; } } arsort($adjusted_earnings,SORT_NUMERIC); $used_earnings= array_slice($adjusted_earnings,0,35,$preserve_keys = true); // take only the top 35 } $ErrorMsg= ""; if(isset($_POST["BirthDate"])) { $BirthDate= $_POST["BirthDate"]; $Birth= explode("/",$BirthDate); if(count($Birth)<2) { $ErrorMsg= "Please enter Birth Month and Year in the correct format: (mm/yyyy)"; } else { $BirthMonth= $Birth[0]; $BirthYear= $Birth[1]; if(($BirthMonth<1)||($BirthMonth>12)) { $ErrorMsg= "Invalid Birth Month."; } else if(($BirthYear<1900)||($BirthYear>2100)) { $ErrorMsg= "Invalid Birth Year."; } } } else { $BirthDate=""; $ErrorMsg= "Your Birth Month and Year is required"; } $ErrorMsg= ""; if(isset($_POST["StartDate"])) { $StartDate= $_POST["StartDate"]; $Start= explode("/",$StartDate); if(count($Start)<2) { $ErrorMsg= "Please enter Start Month and Year in the correct format: (mm/yyyy)"; } else { $StartMonth= $Start[0]; $StartYear= $Start[1]; if(($StartMonth<1)||($StartMonth>12)) { $ErrorMsg= "Invalid Start Month."; } else if(($StartYear<1900)||($StartYear>2100)) { $ErrorMsg= "Invalid Start Year."; } } } else { $StartDate=""; $ErrorMsg= "Your Start Month and Year is required"; } if(!empty($ErrorMsg)) { print("

$ErrorMsg"); } echo '

Enter your birth month and year (mm/yyyy):


Enter month and year that you started receiving benefits (mm/yyyy):


'; ?> Enter in earnings history with year followed by earnings for that year with spaces between values:
1969 429 1970 3981 1971 4179 1972 3897 1973 4260 1974 1354 1975 1920 1976 3515 1977 5777 1978 3671 1979 7784 1980 9230 1981 9730 1982 9723 1983 10386 1984 10740 1985 13192 1986 13594 1987 8074 1988 15611 1989 15894 1990 17127 1991 18822 1992 21137 1993 22389 1994 14774 1995 12215 1996 14667 1997 15785 1998 16425 1999 17402 2000 17637 2001 18816 2002 19066 2003 19020 2004 20251 2005 19638 2006 20540 2007 21817 2008 19364 2009 23861 2010 21178 2011 16644 2012 18353


Your earnings are indexed for each year by a multiplying factor called an index factor. These factors are computed by the SSA and can be obtained from this link: SSA Factor Table. Copy your factors into the field below.


Enter Indexing Factors:

--RESULTS--"; echo "Your birth month and year: $BirthMonth,$BirthYear

\n"; echo "The first month and year when you started receiving benefits: $StartMonth,$StartYear

\n"; echo "Only the highest 35 years of indexed earnings are used in calculation of the AIME (Average Indexed Monthly Earnings).

\n"; echo "The following table list your indexed earnings history from highest to lowest years. Only the black entries are used in the calculation:

\n"; if(isset($_POST["IndexFactorStr"])) { print("\n"); print("\n"); foreach($salary as $year => $value) { if(isset($index_factor[$year])) { print("\n"); $factor= $index_factor[$year]; $adjusted= $adjusted_earnings[$year]; $used= ""; if(isset($used_earnings[$year])) $style_str="style=\"text-align:right;\""; else $style_str= "style=\"text-align:right;color:red;\""; print(""); printf("\n",$adjusted); print("\n"); } } print("

Year	Earnings	Index Factor	Adjusted Earnings
".$year."	". $value. "	".$factor ."	%.0f

\n
"); print("
\n"); print("
\n"); $AIME = array_sum($used_earnings)/count($used_earnings)/12; echo "AIME (Average Indexed Monthly Earnings): "; printf("\$%.0f
\n",$AIME); print("
\n"); print("
\n"); if($AIME<=885) { $benefit= 0.9*$AIME; } else if($AIME<=5336) { $benefit= 0.9*885+ 0.32*($AIME-885); } else { $benefit= 0.9*885+ 0.32*5336 + 0.15*($AIME-5336); } printf("Estimated Normal Benefit: \$%.0f
\n",$benefit); $StartYear = 2012; $CurrentYear= 2017; $months= 60; if($months>60) $months=60; //Cost of Living Adjustments // adjustments only go to 2016 and need to be updated. $COLA= array(1975=>8.0,1976=>6.4,1977=>5.9,1978=>6.5,1979=>9.9,1980=>14.3,1981=>11.2,1982=>7.4,1983=>3.5,1984=>3.5, 1985=>3.1,1986=>1.3,1987=>4.2,1988=>4.0,1989=>4.7,1990=>5.4,1991=>3.7,1992=>3.0,1993=>2.6,1994=>2.8, 1995=>2.6,1996=>2.9,1997=>2.1,1998=>1.3,1999=>2.5,2000=>3.5,2001=>2.6,2002=>1.4,2003=>2.1,2004=>2.7, 2005=>4.1,2006=>3.3,2007=>2.3,2008=>5.8,2009=>0.0,2010=>0.0,2011=>3.6,2012=>1.7,2013=>1.5,2014=>1.7, 2015=>0.0,2016=>0.3,2017=>0.0,2018=>0.0,2019=>0.0,2020=>0.0,2021=>0.0,2022=>0.0,2023=>0.0,2024=>0.0 ); $cola_benefit= $benefit; for($key=$StartYear;$key<=$CurrentYear;$key++) { $cola_benefit= (1.00+$COLA[$key]/100)*$cola_benefit; } printf("Estimated Cost of Living Adjusted Benefit \$%.2f
\n",$cola_benefit); if($months<=36) { $reduction= 5/9*$months; } else { $reduction= 5/9*36+ 5/12*($months-36); } printf("Estimated Reduction Percentage: %.2f %%
\n",$reduction); $adj_benefit= (1-$reduction/100)*$cola_benefit; printf("Estimated Adjusted Benefit: \$%.0f
\n",$adj_benefit); } ?>