ACS Technical Division Membership History* Division AGFD AGRO ANYL BIOL BIOT BMGT CARB CATL CELL CHAL CHAS CHED CINF COLL COMP ENFL ENVR FLUO FUEL GEOC HIST I&EC INOR MEDI NUCL ORGN PETR PHYS PMSE POLY PROF RUBB SCHB TOXI
1998 2488 1690 9908 5000 2658 965 1112 N/A 893 1076 2244 5667 1343 2736 2352 N/A 4977 717 911 920 825 3195 4868 8176 870 15061 1567 4291 6296 8069 1057 4117 783 502
1999 2723 1613 10402 5160 2764 976 1105 N/A 878 1033 2140 5497 1355 2698 2355 N/A 4831 713 954 907 818 3160 4915 8599 890 15749 1560 4375 6240 8158 1005 4253 699 593
*This data reflects year-end totals for all division membership categories (Paid, Unpaid, Free, Members, and Affiliates). 2006 2000 2001 2002 2003 2004 2005 2007 2008 2009 2010 2011 2012 2961 2971 2832 2746 2714 2688 2892 2759 2748 2784 2973 3133 3095 1874 1728 1517 1380 1326 1229 1290 1148 1343 1406 1271 1167 1177 12067 12006 11891 11382 11008 10810 10515 9948 9626 8924 8655 8502 8229 6268 6529 6643 6647 6506 6289 6444 6405 6494 6587 7371 7634 7381 3447 3502 3483 3342 3158 3121 3227 3093 3097 3024 3234 3376 3168 1271 1279 1239 1121 1126 1122 1177 1183 1113 983 974 1001 961 1182 1157 1119 1066 964 926 938 878 835 789 793 788 785 N/A N/A N/A N/A N/A N/A N/A N/A N/A 194 513 726 1272 912 867 804 734 710 698 5477 860 968 1028 1265 1489 1675 1164 1168 1185 1167 1103 1113 1181 1176 1177 1139 1185 1237 1266 2114 2050 1852 1725 1614 1374 1485 1448 1420 1336 1368 1440 1469 5930 5871 5533 5469 5406 5013 5477 5463 5315 5314 5406 5337 5335 1555 1569 1553 1504 1768 1550 1485 1416 1367 1198 1064 1016 978 2989 3007 2940 2899 2799 2765 2771 2689 2723 2581 2543 2581 2548 2668 2663 2707 2620 2493 2511 2508 2386 2335 2200 2237 2280 2299 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 2723 5725 5871 5710 5531 5422 5155 5198 4997 4952 4788 5041 5077 4874 748 732 679 683 670 606 679 678 664 610 577 583 592 1104 1159 1218 1127 1087 1039 1199 1228 1324 1310 1382 1445 N/A 969 948 801 687 637 585 670 694 704 716 772 811 817 864 897 921 906 906 828 855 810 770 733 760 764 740 3918 3962 3804 3423 2996 3082 3403 3311 3179 3015 3668 4721 5110 5636 5724 5739 5738 5949 6112 6307 6256 6260 6004 6155 6323 6314 9786 10206 10027 10140 10301 10307 10540 10401 10226 10023 10575 10717 10312 927 863 854 872 868 747 814 852 836 885 973 1011 1023 18092 18815 19231 19103 18732 18540 18306 17731 17090 16127 16081 15681 14883 1734 1612 1469 1347 1274 1258 1351 1330 1358 1270 1281 1330 N/A 5199 5307 5355 5474 5593 5593 5828 5589 5560 5489 5800 5898 5803 6582 6482 6176 5829 5559 5342 5420 5237 5055 4619 4522 4942 4846 8573 8207 7844 7343 6861 6296 6604 6311 6148 5609 5247 4375 4257 992 933 897 824 824 755 764 719 740 794 839 978 993 4931 4328 3265 2953 2567 2644 2154 1680 1724 1678 1604 1791 1848 809 797 708 675 695 685 706 645 624 585 559 585 593 835 910 984 998 975 987 1048 1014 1085 1118 1242 1371 1389
2013 2976 1,205 7,607 6,714 2,982 931 781 2,064 1,926 1,193 1,350 5,182 908 2,466 2,181 2,722 4,628 562 N/A 810 682 4,822 5,808 9,464 1,007 13,697 N/A 5,332 4,066 4,453 798 1,877 613 1,338
2014 2784 2,014 7,027 6,009 2,813 893 763 2,738 2,327 1,182 1,164 5,022 1,677 2,371 2,065 2,613 4,436 552 N/A 824 791 4,756 5,359 8,848 960 12,318 N/A 4,972 3,905 4,366 660 2,109 634 1,400
2015 2,625 1,950 6,621 5,601 2,776 847 741 3,233 2,541 1,167 1,049 4,764 2,362 2,369 2,057 2,402 4,378 563 N/A 814 813 4,666 5,329 8,465 968 11,649 N/A 4,685 3,852 4,232 587 2,204 642 1,341
