. 2013 Sep 30;5(10):3920–3947. doi: 10.3390/nu5103920

Table 3.

Mean and median intakes of folate for women from population survey data by country.

Country	Year	Method	Group	N	Mean	Median	Units	Reference.
Australia	1995	24 h RC	19–24 year	575	233	217	µg	[104]
			25–44 year	2385	227	210	µg
Canada	2004	24 h RC	19–30 year	1854	415 ¹	401 ¹	µg DFE	[105]
			31–50 year	2686	423 ¹	411 ¹	µg DFE
Denmark	1995	7 day DR	19–24 year	100	244	220	µg	[106]
			25–34 year	161	266	232	µg
			35–44 year	158	234	239	µg
Finland	1997	24 h RC	25–74 year	325	209 ^2,3		µg	[107]
	2007	48 h RC	25–34 year	180	216 ³		µg	[108]
			35–44 year	211	217 ³		µg
		48 h RC & 3 day EDR	25–74 year	641	240 ^3,4	230 ^3,4	µg
		48 h RC & 3 day EDR			310 ^2,3,4	280 ^2,3,4	µg
Germany	1997–1999	DH	18–79 year	2267		229	µg	[109]
						238 ²	µg
	2005–2006	DH	19–24 year	510	318	257	µg DFE	[110]
			25–34 year	972	311	258	µg DFE
			35–50 year	2694	285	255	µg DFE
Ireland	1997–1999	7 day DR	18–35 year	269	247 ²	216 ²	µg	[111]
			36–50 year	286	267 ²	228 ²	µg
New Zealand	1997	24 h RC	19–24 year	209	202	195	µg	[112]
			25–44 year	1205	220	213	µg
Spain	1992–1993	24 h RC & FFQ	18–34 year	431	282	257	µg	[113]
			35–49 year	323	317	291	µg
Sweden	1997–1998	7 day EDR	25–34 year	132	209	211	µg	[114]
			35–44 year	132	206	201	µg
The Netherlands	1992	2 day DR	19–21 year	107	243	236	µg	[115]
			22–49 year	1493	234	224	µg
	1993–1996	FFQ	20–65 year	1160	192		µg	[116]
	2003	24 h RC	19–30 year	398	153		µg	[117]
	2007–2010	24 h RC	19–30 year	347		216	µg DFE	[118]
						249 ²	µg DFE
			31–50 year	351		242	µg DFE
						282 ²	µg DFE
United Kingdom	1986–1987	7 day WDR	16–24 year	189	198	194	µg	[119]
			25–34 year	253	206	198	µg
			35–49 year	385	220	212	µg
	2000–2001	7 day WDR	19–24 year	104	229	225	µg	[120]
					248 ²	232 ²	µg
			25–34 year	210	233	229	µg
					249 ²	233 ²	µg
			35–49 year	318	255	251	µg
					280 ²	258 ²	µg
	2008–2010	4 day EDR	19–64 year	461	232	219	µg	[121]
					264 ²	234 ²	µg
United States	1988–1994	24 h RC	20–39 year	2260	217	178	µg	[122]
	1999–2000	24 h RC	20–39 year	356	294	270	µg	[122]
	2003–2006	24 h RC	19–30 year	914	460 ¹		µg DFE	[123]
					645 ^1,2		µg DFE
			31–50 year	1350	470 ¹		µg DFE
					714 ^1,2		µg DFE

DFE: dietary folate equivalent; DH: diet history; DR: diet record; EDR: estimated diet record; FFQ: food frequency questionnaire; RC: recall; WDR: weighed diet record; ¹ intake is measured following mandatory fortification of the food supply with folic acid; ² inclusive of intake from supplements; ³ adjusted for folate losses in cooking; ⁴ excluding under-reporters.