Q2 2018Q1 2018Q4 2017Q3 2017Q2 2017
Same-store sales growth1.8%1.4%2.5%3.2%2.4%
Dollar Tree same-stores sales growth3.9%4.0%3.9%5.0%3.9%
Family Dollar same-stores sales growth-0.5%-1.1%1.0%1.5%1.0%

Notes:Same-store sales, which the company refers to "comparable store net sales," includes sales from stores (including remodeled, expanded or relocated) that were open at least 13 full fiscal months and remain open at the end of the reporting period