Table 1.

The best-fitting model to explain global conservation spending across countries

Predictor	Slope	t*	P
Biodiversity	0.29	2.56	0.012
Country size	0.39	3.60	0.00005
Government effectiveness	Spline	10.71	<0.000001
Political stability	Spline	3.79	0.003
NPL (cost)	0.52	2.53	0.013
% land protected	0.46	5.81	<0.000001
GDP	0.36	2.64	0.010
GDP (quadratic)	0.15	1.95	0.054

Information-theoretic analysis was used but for reader information, we include t and P values (n = 121, α = 0.05_2-tailed, *F value and approximate p for splines) and standardized partial β coefficients for comparability. See Methods Summary for data transformations.