What accounts for Sweden’s high Covid death rate among the Nordics? One factor could be Sweden’s lighter lockdown. But we suggest 15 other possible factors. Most significant are: (1) the “dry-tinder” situation in Sweden (we suggest that this factor alone accounts for 25 to 50% of Sweden’s Covid death toll); (2) Stockholm’s larger population; (3) Sweden’s higher immigrant population; (4) in Sweden immigrants probably more often work in the elderly care system; (5) Sweden has a greater proportion of people in elderly care; (6) Stockholm’s “sport-break” was a week later than the other three capital cities; (7) Stockholm’s system of elderly care collects especially vulnerable people in nursing homes. Other possible factors are: (8) the Swedish elderly and health care system may have done less to try to cure elderly Covid patients; (9) Sweden may have been relatively understocked in protective equipment and sanitizers; (10) Sweden may have been slower to separate Covid patients in nursing homes; (11) Sweden may have been slower to implement staff testing and changes in protocols and equipage; (12) Sweden elderly care workers may have done more cross-facility work; (13) Sweden might have larger nursing homes; (14) Stockholmers might travel more to the Alpine regions; (15) Sweden might be quicker to count a death “a Covid death.” We give evidence for these other 15 possible factors. It is plausible that Sweden’s lighter lockdown accounts for but a small part of Sweden’s higher Covid death rate.