Effects of Population Weighting on PM₁₀ Concentration Estimation

Table 3

Demography and area proportion of Malaysia and its states.

Region	State	Area ratio (%)	2000		2008		2013
			Population ratio (%)	Population density (persons/km^2)	Population ratio (%)	Population density (persons/km^2)	Population ratio (%)	Population density (persons/km^2)
Central region	Selangor	2.40	22.75	658	23.87	823	24.54	949
	Kuala Lumpur	0.07	5.68	5375	5.66	6376	5.61	7095
	Putrajaya	0.01	0.20	911	0.23	1266	0.25	1562
Northern region	Penang	0.31	5.05	1124	5.07	1345	5.06	1505
	Perak	6.36	8.75	95	8.29	108	7.98	116
	Kedah	2.85	6.60	161	6.42	186	6.30	205
	Perlis	0.24	1.06	306	0.77	263	0.73	281
Southern region	Johor	5.80	11.10	133	11.13	159	11.16	179
	Negeri Sembilan	2.01	3.68	127	3.56	146	3.50	161
	Malacca	0.52	2.45	328	2.54	406	2.59	463
East Coast region	Pahang	10.88	5.31	34	5.05	38	4.88	42
	Terengganu	3.93	3.73	66	3.50	74	3.35	79
	Kelantan	4.57	5.38	82	5.03	91	4.80	97
East Malaysia	Sarawak	37.65	8.70	16	8.35	18	8.14	20
	Sabah	22.36	9.41	29	10.38	38	10.96	46
	Labuan	0.03	0.16	395	0.15	453	0.15	493
Malaysia		100.0	100.0	9840	100.0	11791	100.0	13293