"a year afterwards" is a correct and usable phrase in written English.
It is typically used to refer to something that happened a year after a particular event. Example: She left for college in September, and a year afterwards, she returned home for winter break.
Officials later confirmed the question would be asked in spring 2019 and once a year afterwards.
"I thought, 'My God, you've never stopped, Seamus.' So, for a year afterwards, I just cancelled everything.
Before KPMG adopted the living wage, turnover among cleaning staff was more than 100% a year; afterwards, it dropped dramatically.
Before implementing this approach, I made little research progress for over a year; afterwards, I completed one project every four months on average.
One was a year afterwards, when Stockwell Jadwin, one of the class of 1928, who had been captain of the track team, died in an auto accident just a few months after he graduated, which hit the University very hard.
The allegations were discovered in May when a freedom of information request, submitted to the Springdale Police Department by American magazine In Touch, found that the alleged molestation had not been reported to police until more than a year afterwards.
The documents were proven false but Omos still got deported and Kristjánsdóttir managed to cling to the office for a full year afterwards.
An educated guess is that to stop the runaway release of stored methane in the permafrost, we need to reach a peak in fossil fuel burning by 2015, and start a 3% reduction each year afterwards.
"When you adjust for price changes, spending went up in mayoral election years and either declined, or went up at a much lower rate, the year afterwards".
Correspondence between the Global Fund and the U.S. State Department just before Parsons was dismissed and in the year afterwards show a collaborative effort to certify that the organization's inspector general's office operated without undue interference.
He did write her a letter about that story a few years afterwards - it was her first piece of fan mail, but she had been hoping for a different kind of note.
