Table 1.

Salt-affected soils in various regions of the world (cf. FAO-ITPS-GSP 2015).

Continent	Salt-affected area (mha)
	Saline soils	Sodic soils	Total
Africa	122.9	86.7	209.6
Australasia	17.6	340.0	357.6
Mexico/Central America	2.0	–	2.0
North America	6.2	9.6	15.8
North and Central Asia	91.5	120.2	211.7
South America	69.5	59.8	129.3
South Asia	82.3	1.8	84.1
Southeast Asia	20.0	–	20.0
Total	412.0	618.1	1,030.1