Data on worldwide geophysical activity in mining exploration programs is collected annually by the SEG Geophysical Activity Committee as part of a continuing service to the industry. The data are obtained by sending out questionnaires to all organizations which are known to be carrying out mining geophysical work; the organizations canvassed include mining companies, contractors, government departments, and universities. The questionnaire is divided into three sections, namely ground methods, airborne methods, and research. The data compiled from the questionnaires shows that world‐wide utilization of mining geophysical methods reached a new high in 1968 with total expenditures of U.S. $41,367,011. This was divided as follows: ground methods—$20,398,288; airborne methods—$14,937,733, and research—$6,039,990. For the ground methods, most money was spent on induced‐polarization techniques ($6,735,315); geochemical methods were second in reported expenditure ($3,437,712). The statistics for the past seven years show that induced‐polarization methods have gradually outstripped the electromagnetic methods as the principal ground prospecting tools used in the search for sulfides. Since 1966, utilization of ground electromagnetic methods has definitely declined and in 1968 more than four times as much money was spent on induced polarization as on electromagnetic methods. The expenditure for mining geophysics research reached a new high of $6,039,990 in 1968 which is an increase of 48 percent from 1967. The leading research activity was the magnetic method, and in second place was electromagnetic method research. The amount of money spent on mining geophysics research increased by 54 percent in the United States, and significant increases also occurred in Canada and Europe. In 1968, the total reported geophysical line‐mileage flown was 1,575,835 line‐miles, with aeromagnetic surveying again accounting for most line‐mileage (837,068). Typical line‐mileage costs in 1968 for the various airborne geophysical methods were: aeromagnetic U. S. $6.75; airborne electromagnetic U. S. $16; combined airborne electromagnetic/magnetic U. S. $24; airborne radiometric U. S. $7. Airborne radiometric line‐mileage showed a nine‐fold jump from 1967 to 1968, when the reported line‐mileage was 400,559