1.
the year after next
Two years from the current year.
Even if I think about it now, I don't know what will happen the year after next.
再来年 means "the year after next" - two years from the current year.
TIME REFERENCE SEQUENCE:
- 一昨年/一昨年: year before last
- 去年/昨年: last year
- 今年: this year
- 来年: next year
- 再来年: year after next
RELATED TIME WORDS:
- 再来月: month after next
- 再来週: week after next
NOTE:
昨年 is more formal than 去年, often used in writing and formal speech. Similarly, 一昨年 is more formal than 一昨年.