Project	Targets and Redshift range	$N_{\rm sample}$	Sky coverage	reference
PFS	ELG($0.8\leq z \leq 2.4$)		$1,400 {\rm deg}^2$	Takada et al. 2012
DESI	LRGs($z\leq 1$) ELGs($z\leq 1.7$) QSOs($ 2.1 \leq z\leq 3.5$)	$\sim 30,000,000$	$14,000 {\rm deg}^2$	DESI Collaboration 2016
Euclid	Galaxy($z \lesssim 2$)	$\sim 30,000,000$	$15,000 {\rm deg}^2$	Laureijs et al. 2011
CSST	Galaxy($z \lesssim 2$) AGN($z\lesssim 5$)		$17,500 {\rm deg}^2$	Gong et al. 2019