Table 3.

The total number of genes at the Rat Genome Database by species and the number of genes from NCBI and Ensembl (retrieved Feb 2023).

Species	Total number of genes by species			Genes unique to NCBI			Genes unique to Ensembl			a Genes shared between NCBI and Ensembl
	All gene types	Protein-coding only	Non–protein-coding	All gene types	Protein-coding only	Non–protein-coding	All gene types	Protein-coding only	Non–protein-coding	All gene types	Protein-coding only	Non–protein-coding
Human	158,609	21,077	137,532	97,826	1,175	96,651	18,330	438	17,892	42,453	19,464	22,989
Mouse	76,816	26,675	50,141	18,778	3,388	15,390	15,430	329	15,101	42,608	22,958	19,650
Rat	66,780	27,858	38,922	27,060	3,127	23,933	13,494	3,572	9,922	26,225	21,159	5,066
Chinchilla	33,350	20,869	12,481	13,261	4,102	9,159	3,363	333	3,030	16,726	16,434	292
Bonobo	41,718	22,519	19,199	18,619	5,272	13,347	3,486	165	3,321	19,613	17,082	2,531
Dog	53,154	24,198	28,956	28,273	4,797	23,476	2,748	490	2,258	22,133	18,911	3,222
Squirrel	36,379	20,818	15,561	17,245	3,694	13,551	1,961	69	1,892	17,173	17,055	118
Pig	32,240	21,107	11,133	10,817	1,858	8,959	1,717	253	1,464	19,706	18,996	710
Vervet	41,664	23,712	17,952	19,121	5,976	13,145	6,776	2,054	4,722	15,767	15,682	85
Naked mole-rat	40,397	20,295	20,102	20,518	3,741	16,777	2,950	307	2,643	16,929	16,247	682

Refers to the number of genes with shared IDs.