"most effected" is not correct and usable in written English.
The correct form of the term is "most affected." You can use it when discussing something or someone that has been significantly impacted by something else. For example, "The recent floods have had the most affected the small towns in the region."
But the countries most effected by their policies have often felt shut out of the decision-making process.
Numerous studies have linked traffic and related emissions to health problems that range from childhood asthma to higher risk of sudden heart attacks for people living within 300 to 500 meters from a highway or major road most effected by traffic.
Bangladesh is the country most effected by climate change - it is widely thought that by 2040, half of the country of 160 million people will be under water.
Meiofauna diversity at deep-sea hydrothermal vents is probably most effected by the environmental stress caused by the exposure to high and variable vent fluid emissions.
The combined segmented linear approximations association of lag 0 and lag 1 5 mean temperatures are shown in Table 3. Elderly, aged 60 years and above, seem to be most effected at lower temperatures, with a 5.4% increase in mortality with every 1°C decrease in temperature, at temperatures below 23°C.
The muscle that will likely be most effected with this type of heel spur is the Achilles tendon.
DR Jonny Sexton's form will have the most effect on the tournament.
The law may have had the most effect on the admissions policies of the University of Michigan.
"Most effects companies, they print up company T-shirts with mottos like 'Excellence in visual imagery' or something like that.
Of all the partners, AT&T may feel the most effect if Excite@Home were to fail.
They can also gain a greater perspective on the media efforts that have the most effect, removing any unnecessary duplication.
